90087615404 has 12 divisors (see below), whose sum is σ = 157670664144. Its totient is φ = 45038854224.

The previous prime is 90087615383. The next prime is 90087615421. The reversal of 90087615404 is 40451678009.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1197299 + ... + 1270314.

It is an arithmetic number, because the mean of its divisors is an integer number (13139222012).

Almost surely, 2^90087615404 is an apocalyptic number.

It is an amenable number.

90087615404 is a deficient number, since it is larger than the sum of its proper divisors (67583048740).

90087615404 is a wasteful number, since it uses less digits than its factorization.

90087615404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2476744 (or 2476742 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 44.

The spelling of 90087615404 in words is "ninety billion, eighty-seven million, six hundred fifteen thousand, four hundred four".