76923924481 has 4 divisors (see below), whose sum is σ = 77169688132. Its totient is φ = 76678160832.

The previous prime is 76923924449. The next prime is 76923924499. The reversal of 76923924481 is 18442932967.

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 12466839025 + 64457085456 = 111655^2 + 253884^2 .

It is a cyclic number.

It is not a de Polignac number, because 76923924481 - 2⁵ = 76923924449 is a prime.

It is a super-2 number, since 2×76923924481² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (76923324481) 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, 122881356 + ... + 122881981.

It is an arithmetic number, because the mean of its divisors is an integer number (19292422033).

Almost surely, 2^76923924481 is an apocalyptic number.

It is an amenable number.

76923924481 is a deficient number, since it is larger than the sum of its proper divisors (245763651).

76923924481 is a wasteful number, since it uses less digits than its factorization.

76923924481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 245763650.

The product of its digits is 5225472, while the sum is 55.

The spelling of 76923924481 in words is "seventy-six billion, nine hundred twenty-three million, nine hundred twenty-four thousand, four hundred eighty-one".