76064810977 has 4 divisors (see below), whose sum is σ = 76179886996. Its totient is φ = 75949734960.

The previous prime is 76064810947. The next prime is 76064811001. The reversal of 76064810977 is 77901846067.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 24826414096 + 51238396881 = 157564^2 + 226359^2 .

It is a cyclic number.

It is not a de Polignac number, because 76064810977 - 2¹¹ = 76064808929 is a prime.

It is a super-3 number, since 3×76064810977³ (a number of 34 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (76064810917) 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, 57537018 + ... + 57538339.

It is an arithmetic number, because the mean of its divisors is an integer number (19044971749).

Almost surely, 2^76064810977 is an apocalyptic number.

It is an amenable number.

76064810977 is a deficient number, since it is larger than the sum of its proper divisors (115076019).

76064810977 is a wasteful number, since it uses less digits than its factorization.

76064810977 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115076018.

The product of its (nonzero) digits is 3556224, while the sum is 55.

The spelling of 76064810977 in words is "seventy-six billion, sixty-four million, eight hundred ten thousand, nine hundred seventy-seven".