90887902 has 8 divisors (see below), whose sum is σ = 155807856. Its totient is φ = 38951952.

The previous prime is 90887893. The next prime is 90887911. The reversal of 90887902 is 20978809.

It is an interprime number because it is at equal distance from previous prime (90887893) and next prime (90887911).

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

It is a super-2 number, since 2×90887902² = 16521221459923208, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3245983 + ... + 3246010.

It is an arithmetic number, because the mean of its divisors is an integer number (19475982).

Almost surely, 2^90887902 is an apocalyptic number.

90887902 is a deficient number, since it is larger than the sum of its proper divisors (64919954).

90887902 is a wasteful number, since it uses less digits than its factorization.

90887902 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6492002.

The product of its (nonzero) digits is 72576, while the sum is 43.

The square root of 90887902 is about 9533.5146719350. The cubic root of 90887902 is about 449.6093762424.

The spelling of 90887902 in words is "ninety million, eight hundred eighty-seven thousand, nine hundred two".