8990920365 has 64 divisors (see below), whose sum is σ = 17330288640. Its totient is φ = 3888311040.

The previous prime is 8990920361. The next prime is 8990920399. The reversal of 8990920365 is 5630290998.

It is not a de Polignac number, because 8990920365 - 2² = 8990920361 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8990920361) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1615167 + ... + 1620723.

It is an arithmetic number, because the mean of its divisors is an integer number (270785760).

Almost surely, 2^8990920365 is an apocalyptic number.

It is an amenable number.

8990920365 is a deficient number, since it is larger than the sum of its proper divisors (8339368275).

8990920365 is a wasteful number, since it uses less digits than its factorization.

8990920365 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6402.

The product of its (nonzero) digits is 1049760, while the sum is 51.

The square root of 8990920365 is about 94820.4638514282. The cubic root of 8990920365 is about 2079.3840913254.

The spelling of 8990920365 in words is "eight billion, nine hundred ninety million, nine hundred twenty thousand, three hundred sixty-five".