42772657823 has 32 divisors (see below), whose sum is σ = 52891184640. Its totient is φ = 33765413760.

The previous prime is 42772657819. The next prime is 42772657901. The reversal of 42772657823 is 32875627724.

It is not a de Polignac number, because 42772657823 - 2² = 42772657819 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42772687823) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7294913 + ... + 7300773.

It is an arithmetic number, because the mean of its divisors is an integer number (1652849520).

Almost surely, 2^42772657823 is an apocalyptic number.

42772657823 is a deficient number, since it is larger than the sum of its proper divisors (10118526817).

42772657823 is a wasteful number, since it uses less digits than its factorization.

42772657823 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7407.

The product of its digits is 7902720, while the sum is 53.

The spelling of 42772657823 in words is "forty-two billion, seven hundred seventy-two million, six hundred fifty-seven thousand, eight hundred twenty-three".