90507643377 has 8 divisors (see below), whose sum is σ = 123620196000. Its totient is φ = 58866759840.

The previous prime is 90507643319. The next prime is 90507643393. The reversal of 90507643377 is 77334670509.

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

It is not a de Polignac number, because 90507643377 - 2²² = 90503449073 is a prime.

It is a super-3 number, since 3×90507643377³ (a number of 34 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (90507643397) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 367917127 + ... + 367917372.

It is an arithmetic number, because the mean of its divisors is an integer number (15452524500).

Almost surely, 2^90507643377 is an apocalyptic number.

It is an amenable number.

90507643377 is a deficient number, since it is larger than the sum of its proper divisors (33112552623).

90507643377 is a wasteful number, since it uses less digits than its factorization.

90507643377 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 735834543.

The product of its (nonzero) digits is 3333960, while the sum is 51.

The spelling of 90507643377 in words is "ninety billion, five hundred seven million, six hundred forty-three thousand, three hundred seventy-seven".