90200885387 has 16 divisors (see below), whose sum is σ = 93673050240. Its totient is φ = 86800896000.

The previous prime is 90200885377. The next prime is 90200885443. The reversal of 90200885387 is 78358800209.

It is a cyclic number.

It is not a de Polignac number, because 90200885387 - 2¹⁸ = 90200623243 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (90200885317) 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, 725387 + ... + 840587.

It is an arithmetic number, because the mean of its divisors is an integer number (5854565640).

Almost surely, 2^90200885387 is an apocalyptic number.

90200885387 is a deficient number, since it is larger than the sum of its proper divisors (3472164853).

90200885387 is a wasteful number, since it uses less digits than its factorization.

90200885387 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115514.

The product of its (nonzero) digits is 967680, while the sum is 50.

The spelling of 90200885387 in words is "ninety billion, two hundred million, eight hundred eighty-five thousand, three hundred eighty-seven".