76932452689 has 9 divisors (see below), whose sum is σ = 78231520731. Its totient is φ = 75654622920.

The previous prime is 76932452687. The next prime is 76932452699. The reversal of 76932452689 is 98625423967.

The square root of 76932452689 is 277367.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 2501700289 + 74430752400 = 50017^2 + 272820^2 .

It is not a de Polignac number, because 76932452689 - 2¹ = 76932452687 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (61).

It is a Duffinian number.

Its product of digits (39191040) is a multiple of the sum of its prime divisors (4608).

It is not an unprimeable number, because it can be changed into a prime (76932452687) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 16917114 + ... + 16921660.

Almost surely, 2^76932452689 is an apocalyptic number.

76932452689 is the 277367-th square number.

76932452689 is the 138684-th centered octagonal number.

It is an amenable number.

76932452689 is a deficient number, since it is larger than the sum of its proper divisors (1299068042).

76932452689 is an frugal number, since it uses more digits than its factorization.

76932452689 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9216 (or 4608 counting only the distinct ones).

The product of its digits is 39191040, while the sum is 61.

The spelling of 76932452689 in words is "seventy-six billion, nine hundred thirty-two million, four hundred fifty-two thousand, six hundred eighty-nine".