7890650922 has 64 divisors (see below), whose sum is σ = 19739833344. Its totient is φ = 2042807040.

The previous prime is 7890650909. The next prime is 7890651029. The reversal of 7890650922 is 2290560987.

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 31 ways as a sum of consecutive naturals, for example, 114018 + ... + 169650.

It is an arithmetic number, because the mean of its divisors is an integer number (308434896).

Almost surely, 2^7890650922 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7890650922, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9869916672).

7890650922 is an abundant number, since it is smaller than the sum of its proper divisors (11849182422).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

7890650922 is a wasteful number, since it uses less digits than its factorization.

7890650922 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55963.

The product of its (nonzero) digits is 544320, while the sum is 48.

The square root of 7890650922 is about 88829.3359313239. The cubic root of 7890650922 is about 1990.8457405277.

The spelling of 7890650922 in words is "seven billion, eight hundred ninety million, six hundred fifty thousand, nine hundred twenty-two".