92473257821 has 16 divisors (see below), whose sum is σ = 111831902208. Its totient is φ = 74748735600.

The previous prime is 92473257809. The next prime is 92473257829. The reversal of 92473257821 is 12875237429.

It is a de Polignac number, because none of the positive numbers 2^k-92473257821 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 92473257821.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (92473257829) 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, 4033415 + ... + 4056276.

It is an arithmetic number, because the mean of its divisors is an integer number (6989493888).

Almost surely, 2^92473257821 is an apocalyptic number.

It is an amenable number.

92473257821 is a deficient number, since it is larger than the sum of its proper divisors (19358644387).

92473257821 is a wasteful number, since it uses less digits than its factorization.

92473257821 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8089792.

The product of its digits is 1693440, while the sum is 50.

The spelling of 92473257821 in words is "ninety-two billion, four hundred seventy-three million, two hundred fifty-seven thousand, eight hundred twenty-one".