90137677 has 8 divisors (see below), whose sum is σ = 106337792. Its totient is φ = 74768400.

The previous prime is 90137651. The next prime is 90137693. The reversal of 90137677 is 77673109.

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

It is a de Polignac number, because none of the positive numbers 2^k-90137677 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 (90137617) 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, 207474 + ... + 207907.

It is an arithmetic number, because the mean of its divisors is an integer number (13292224).

Almost surely, 2^90137677 is an apocalyptic number.

It is an amenable number.

90137677 is a deficient number, since it is larger than the sum of its proper divisors (16200115).

90137677 is a wasteful number, since it uses less digits than its factorization.

90137677 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 415419.

The product of its (nonzero) digits is 55566, while the sum is 40.

The square root of 90137677 is about 9494.0864226107. The cubic root of 90137677 is about 448.3688716994.

The spelling of 90137677 in words is "ninety million, one hundred thirty-seven thousand, six hundred seventy-seven".