90315378 has 16 divisors (see below), whose sum is σ = 200700960. Its totient is φ = 30105108.

The previous prime is 90315361. The next prime is 90315391. The reversal of 90315378 is 87351309.

90315378 is a `hidden beast` number, since 90 + 31 + 537 + 8 = 666.

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, 836200 + ... + 836307.

It is an arithmetic number, because the mean of its divisors is an integer number (12543810).

Almost surely, 2^90315378 is an apocalyptic number.

90315378 is an abundant number, since it is smaller than the sum of its proper divisors (110385582).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

90315378 is a wasteful number, since it uses less digits than its factorization.

90315378 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1672518 (or 1672512 counting only the distinct ones).

The product of its (nonzero) digits is 22680, while the sum is 36.

The square root of 90315378 is about 9503.4403244299. The cubic root of 90315378 is about 448.6633223599.

The spelling of 90315378 in words is "ninety million, three hundred fifteen thousand, three hundred seventy-eight".