977828353 has 4 divisors (see below), whose sum is σ = 993858388. Its totient is φ = 961798320.

The previous prime is 977828347. The next prime is 977828359. The reversal of 977828353 is 353828779.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 353828779 = 3697 ⋅95707.

It is an interprime number because it is at equal distance from previous prime (977828347) and next prime (977828359).

It can be written as a sum of positive squares in 2 ways, for example, as 464488704 + 513339649 = 21552^2 + 22657^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-977828353 is a prime.

It is a super-2 number, since 2×977828353² = 1912296575861385218, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 977828353.

It is not an unprimeable number, because it can be changed into a prime (977828359) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8014926 + ... + 8015047.

It is an arithmetic number, because the mean of its divisors is an integer number (248464597).

Almost surely, 2^977828353 is an apocalyptic number.

It is an amenable number.

977828353 is a deficient number, since it is larger than the sum of its proper divisors (16030035).

977828353 is a wasteful number, since it uses less digits than its factorization.

977828353 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16030034.

The product of its digits is 2540160, while the sum is 52.

The square root of 977828353 is about 31270.2470888863. The cubic root of 977828353 is about 992.5541478874.

The spelling of 977828353 in words is "nine hundred seventy-seven million, eight hundred twenty-eight thousand, three hundred fifty-three".