76813925457 has 8 divisors (see below), whose sum is σ = 104916581280. Its totient is φ = 49960276640.

The previous prime is 76813925431. The next prime is 76813925467. The reversal of 76813925457 is 75452931867.

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 76813925457 - 2⁶ = 76813925393 is a prime.

It is a super-2 number, since 2×76813925457² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 76813925397 and 76813925406.

It is not an unprimeable number, because it can be changed into a prime (76813925467) 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, 312251607 + ... + 312251852.

It is an arithmetic number, because the mean of its divisors is an integer number (13114572660).

Almost surely, 2^76813925457 is an apocalyptic number.

It is an amenable number.

76813925457 is a deficient number, since it is larger than the sum of its proper divisors (28102655823).

76813925457 is a wasteful number, since it uses less digits than its factorization.

76813925457 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 624503503.

The product of its digits is 12700800, while the sum is 57.

The spelling of 76813925457 in words is "seventy-six billion, eight hundred thirteen million, nine hundred twenty-five thousand, four hundred fifty-seven".