90028977203 has 16 divisors (see below), whose sum is σ = 99145680480. Its totient is φ = 81070252800.

The previous prime is 90028977169. The next prime is 90028977209. The reversal of 90028977203 is 30277982009.

It is a cyclic number.

It is not a de Polignac number, because 90028977203 - 2¹⁸ = 90028715059 is a prime.

It is not an unprimeable number, because it can be changed into a prime (90028977209) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 629933 + ... + 759521.

It is an arithmetic number, because the mean of its divisors is an integer number (6196605030).

Almost surely, 2^90028977203 is an apocalyptic number.

90028977203 is a deficient number, since it is larger than the sum of its proper divisors (9116703277).

90028977203 is a wasteful number, since it uses less digits than its factorization.

90028977203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130198.

The product of its (nonzero) digits is 381024, while the sum is 47.

The spelling of 90028977203 in words is "ninety billion, twenty-eight million, nine hundred seventy-seven thousand, two hundred three".