77275963 has 8 divisors (see below), whose sum is σ = 79902720. Its totient is φ = 74657640.

The previous prime is 77275951. The next prime is 77275969. The reversal of 77275963 is 36957277.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 77275963 - 2¹⁷ = 77144891 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (77275969) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20556 + ... + 24022.

It is an arithmetic number, because the mean of its divisors is an integer number (9987840).

Almost surely, 2^77275963 is an apocalyptic number.

77275963 is a deficient number, since it is larger than the sum of its proper divisors (2626757).

77275963 is a wasteful number, since it uses less digits than its factorization.

77275963 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4217.

The product of its digits is 555660, while the sum is 46.

The square root of 77275963 is about 8790.6747750102. The cubic root of 77275963 is about 425.9397208750.

The spelling of 77275963 in words is "seventy-seven million, two hundred seventy-five thousand, nine hundred sixty-three".