90959478 has 8 divisors (see below), whose sum is σ = 181918968. Its totient is φ = 30319824.

The previous prime is 90959467. The next prime is 90959497. The reversal of 90959478 is 87495909.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

90959478 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 90959478.

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, 7579951 + ... + 7579962.

It is an arithmetic number, because the mean of its divisors is an integer number (22739871).

Almost surely, 2^90959478 is an apocalyptic number.

90959478 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

90959478 is a wasteful number, since it uses less digits than its factorization.

90959478 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15159918.

The product of its (nonzero) digits is 816480, while the sum is 51.

The square root of 90959478 is about 9537.2678477644. The cubic root of 90959478 is about 449.7273706653.

The spelling of 90959478 in words is "ninety million, nine hundred fifty-nine thousand, four hundred seventy-eight".