90101936287 has 8 divisors (see below), whose sum is σ = 103466338560. Its totient is φ = 77599753560.

The previous prime is 90101936269. The next prime is 90101936299. The reversal of 90101936287 is 78263910109.

It is a happy number.

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 90101936287 - 2¹¹ = 90101934239 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 (90101936207) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 215554663 + ... + 215555080.

It is an arithmetic number, because the mean of its divisors is an integer number (12933292320).

Almost surely, 2^90101936287 is an apocalyptic number.

90101936287 is a deficient number, since it is larger than the sum of its proper divisors (13364402273).

90101936287 is a wasteful number, since it uses less digits than its factorization.

90101936287 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 431109773.

The product of its (nonzero) digits is 163296, while the sum is 46.

The spelling of 90101936287 in words is "ninety billion, one hundred one million, nine hundred thirty-six thousand, two hundred eighty-seven".