77230875993 has 16 divisors (see below), whose sum is σ = 108447796800. Its totient is φ = 48753282240.

The previous prime is 77230875989. The next prime is 77230876003. The reversal of 77230875993 is 39957803277.

It is not a de Polignac number, because 77230875993 - 2² = 77230875989 is a prime.

It is a super-2 number, since 2×77230875993² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (77230875193) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 218238 + ... + 449543.

It is an arithmetic number, because the mean of its divisors is an integer number (6777987300).

Almost surely, 2^77230875993 is an apocalyptic number.

It is an amenable number.

77230875993 is a deficient number, since it is larger than the sum of its proper divisors (31216920807).

77230875993 is a wasteful number, since it uses less digits than its factorization.

77230875993 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 669832.

The product of its (nonzero) digits is 20003760, while the sum is 60.

The spelling of 77230875993 in words is "seventy-seven billion, two hundred thirty million, eight hundred seventy-five thousand, nine hundred ninety-three".