90078968 has 32 divisors (see below), whose sum is σ = 197739360. Its totient is φ = 37662720.

The previous prime is 90078949. The next prime is 90078977. The reversal of 90078968 is 86987009.

It is a super-2 number, since 2×90078968² = 16228440951890048, which contains 22 as substring.

It is a congruent number.

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, 17321 + ... + 21912.

It is an arithmetic number, because the mean of its divisors is an integer number (6179355).

Almost surely, 2^90078968 is an apocalyptic number.

It is an amenable number.

90078968 is an abundant number, since it is smaller than the sum of its proper divisors (107660392).

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

90078968 is a wasteful number, since it uses less digits than its factorization.

90078968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39287 (or 39283 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 47.

The square root of 90078968 is about 9490.9940469900. The cubic root of 90078968 is about 448.2715058103.

The spelling of 90078968 in words is "ninety million, seventy-eight thousand, nine hundred sixty-eight".