87390881476 has 12 divisors (see below), whose sum is σ = 152941214608. Its totient is φ = 43693391592.

The previous prime is 87390881447. The next prime is 87390881609. The reversal of 87390881476 is 67418809378.

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, 414246 + ... + 588541.

Almost surely, 2^87390881476 is an apocalyptic number.

It is an amenable number.

87390881476 is a deficient number, since it is larger than the sum of its proper divisors (65550333132).

87390881476 is a wasteful number, since it uses less digits than its factorization.

87390881476 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1024578 (or 1024576 counting only the distinct ones).

The product of its (nonzero) digits is 16257024, while the sum is 61.

The spelling of 87390881476 in words is "eighty-seven billion, three hundred ninety million, eight hundred eighty-one thousand, four hundred seventy-six".