77623009227 has 48 divisors (see below), whose sum is σ = 114423192000. Its totient is φ = 50699658240.

The previous prime is 77623009213. The next prime is 77623009237. The reversal of 77623009227 is 72290032677.

It is not a de Polignac number, because 77623009227 - 2²⁸ = 77354573771 is a prime.

It is a super-2 number, since 2×77623009227² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (77623009237) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 44790253 + ... + 44791985.

It is an arithmetic number, because the mean of its divisors is an integer number (2383816500).

Almost surely, 2^77623009227 is an apocalyptic number.

77623009227 is a deficient number, since it is larger than the sum of its proper divisors (36800182773).

77623009227 is a wasteful number, since it uses less digits than its factorization.

77623009227 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2308 (or 2305 counting only the distinct ones).

The product of its (nonzero) digits is 444528, while the sum is 45.

The spelling of 77623009227 in words is "seventy-seven billion, six hundred twenty-three million, nine thousand, two hundred twenty-seven".