76396679561 has 8 divisors (see below), whose sum is σ = 77790504960. Its totient is φ = 75012240672.

The previous prime is 76396679521. The next prime is 76396679573. The reversal of 76396679561 is 16597669367.

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 76396679561 - 2⁶ = 76396679497 is a prime.

It is a super-2 number, since 2×76396679561² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (76396679501) 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, 2330201 + ... + 2362758.

It is an arithmetic number, because the mean of its divisors is an integer number (9723813120).

Almost surely, 2^76396679561 is an apocalyptic number.

It is an amenable number.

76396679561 is a deficient number, since it is larger than the sum of its proper divisors (1393825399).

76396679561 is a wasteful number, since it uses less digits than its factorization.

76396679561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4693255.

The product of its digits is 77157360, while the sum is 65.

The spelling of 76396679561 in words is "seventy-six billion, three hundred ninety-six million, six hundred seventy-nine thousand, five hundred sixty-one".