977345741 has 4 divisors (see below), whose sum is σ = 1001183484. Its totient is φ = 953508000.

The previous prime is 977345723. The next prime is 977345851. The reversal of 977345741 is 147543779.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 147543779 = 181 ⋅815159.

It can be written as a sum of positive squares in 2 ways, for example, as 482461225 + 494884516 = 21965^2 + 22246^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-977345741 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (977345441) 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, 11918810 + ... + 11918891.

It is an arithmetic number, because the mean of its divisors is an integer number (250295871).

Almost surely, 2^977345741 is an apocalyptic number.

It is an amenable number.

977345741 is a deficient number, since it is larger than the sum of its proper divisors (23837743).

977345741 is a wasteful number, since it uses less digits than its factorization.

977345741 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23837742.

The product of its digits is 740880, while the sum is 47.

The square root of 977345741 is about 31262.5293442485. The cubic root of 977345741 is about 992.3908276858.

The spelling of 977345741 in words is "nine hundred seventy-seven million, three hundred forty-five thousand, seven hundred forty-one".