8107072990 has 8 divisors (see below), whose sum is σ = 14592731400. Its totient is φ = 3242829192.

The previous prime is 8107072979. The next prime is 8107073011. The reversal of 8107072990 is 992707018.

It is a happy number.

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

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 405353640 + ... + 405353659.

It is an arithmetic number, because the mean of its divisors is an integer number (1824091425).

Almost surely, 2^8107072990 is an apocalyptic number.

8107072990 is a deficient number, since it is larger than the sum of its proper divisors (6485658410).

8107072990 is a wasteful number, since it uses less digits than its factorization.

8107072990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 810707306.

The product of its (nonzero) digits is 63504, while the sum is 43.

The square root of 8107072990 is about 90039.2858145821. The cubic root of 8107072990 is about 2008.8832348202.

The spelling of 8107072990 in words is "eight billion, one hundred seven million, seventy-two thousand, nine hundred ninety".