90795015 has 48 divisors (see below), whose sum is σ = 167431680. Its totient is φ = 45385920.

The previous prime is 90794999. The next prime is 90795031. The reversal of 90795015 is 51059709.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (90794999) and next prime (90795031).

It is not a de Polignac number, because 90795015 - 2⁴ = 90794999 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 87550 + ... + 88580.

It is an arithmetic number, because the mean of its divisors is an integer number (3488160).

Almost surely, 2^90795015 is an apocalyptic number.

90795015 is a gapful number since it is divisible by the number (95) formed by its first and last digit.

90795015 is a deficient number, since it is larger than the sum of its proper divisors (76636665).

90795015 is a wasteful number, since it uses less digits than its factorization.

90795015 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1164 (or 1161 counting only the distinct ones).

The product of its (nonzero) digits is 14175, while the sum is 36.

The square root of 90795015 is about 9528.6418234710. The cubic root of 90795015 is about 449.4561578256.

The spelling of 90795015 in words is "ninety million, seven hundred ninety-five thousand, fifteen".