90387271484 has 12 divisors (see below), whose sum is σ = 158244455208. Its totient is φ = 45174570000.

The previous prime is 90387271459. The next prime is 90387271511. The reversal of 90387271484 is 48417278309.

It is a congruent number.

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, 4755767 + ... + 4774734.

It is an arithmetic number, because the mean of its divisors is an integer number (13187037934).

Almost surely, 2^90387271484 is an apocalyptic number.

It is an amenable number.

90387271484 is a deficient number, since it is larger than the sum of its proper divisors (67857183724).

90387271484 is a wasteful number, since it uses less digits than its factorization.

90387271484 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9532876 (or 9532874 counting only the distinct ones).

The product of its (nonzero) digits is 2709504, while the sum is 53.

The spelling of 90387271484 in words is "ninety billion, three hundred eighty-seven million, two hundred seventy-one thousand, four hundred eighty-four".