8190972902 has 32 divisors (see below), whose sum is σ = 14443092288. Its totient is φ = 3410349696.

The previous prime is 8190972899. The next prime is 8190972913. The reversal of 8190972902 is 2092790918.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 339008 + ... + 362364.

It is an arithmetic number, because the mean of its divisors is an integer number (451346634).

Almost surely, 2^8190972902 is an apocalyptic number.

8190972902 is a deficient number, since it is larger than the sum of its proper divisors (6252119386).

8190972902 is a wasteful number, since it uses less digits than its factorization.

8190972902 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24080.

The product of its (nonzero) digits is 163296, while the sum is 47.

The square root of 8190972902 is about 90503.9938455757. The cubic root of 8190972902 is about 2015.7894274570.

The spelling of 8190972902 in words is "eight billion, one hundred ninety million, nine hundred seventy-two thousand, nine hundred two".