90910477 has 8 divisors (see below), whose sum is σ = 105321536. Its totient is φ = 76855392.

The previous prime is 90910453. The next prime is 90910493. The reversal of 90910477 is 77401909.

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

It is a cyclic number.

It is not a de Polignac number, because 90910477 - 2⁷ = 90910349 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90910427) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 88443 + ... + 89464.

It is an arithmetic number, because the mean of its divisors is an integer number (13165192).

Almost surely, 2^90910477 is an apocalyptic number.

It is an amenable number.

90910477 is a deficient number, since it is larger than the sum of its proper divisors (14411059).

90910477 is a wasteful number, since it uses less digits than its factorization.

90910477 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 177987.

The product of its (nonzero) digits is 15876, while the sum is 37.

The square root of 90910477 is about 9534.6985793994. The cubic root of 90910477 is about 449.6465982533.

The spelling of 90910477 in words is "ninety million, nine hundred ten thousand, four hundred seventy-seven".