87396574444 has 24 divisors (see below), whose sum is σ = 153714598128. Its totient is φ = 43478507520.

The previous prime is 87396574429. The next prime is 87396574451. The reversal of 87396574444 is 44447569378.

It is a super-2 number, since 2×87396574444² (a number of 23 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (61) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 859584 + ... + 955864.

It is an arithmetic number, because the mean of its divisors is an integer number (6404774922).

Almost surely, 2^87396574444 is an apocalyptic number.

It is an amenable number.

87396574444 is a deficient number, since it is larger than the sum of its proper divisors (66318023684).

87396574444 is a wasteful number, since it uses less digits than its factorization.

87396574444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97425 (or 97423 counting only the distinct ones).

The product of its digits is 81285120, while the sum is 61.

The spelling of 87396574444 in words is "eighty-seven billion, three hundred ninety-six million, five hundred seventy-four thousand, four hundred forty-four".