90020002877 has 8 divisors (see below), whose sum is σ = 105272561856. Its totient is φ = 75365583552.

The previous prime is 90020002819. The next prime is 90020002921. The reversal of 90020002877 is 77820002009.

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

It is not a de Polignac number, because 90020002877 - 2²⁴ = 90003225661 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90020002817) 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, 149534588 + ... + 149535189.

It is an arithmetic number, because the mean of its divisors is an integer number (13159070232).

Almost surely, 2^90020002877 is an apocalyptic number.

It is an amenable number.

90020002877 is a deficient number, since it is larger than the sum of its proper divisors (15252558979).

90020002877 is a wasteful number, since it uses less digits than its factorization.

90020002877 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 299069827.

The product of its (nonzero) digits is 14112, while the sum is 35.

The spelling of 90020002877 in words is "ninety billion, twenty million, two thousand, eight hundred seventy-seven".