7797419990 has 32 divisors (see below), whose sum is σ = 14188711680. Its totient is φ = 3085045600.

The previous prime is 7797419989. The next prime is 7797420023. The reversal of 7797419990 is 999147977.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 397841 + ... + 416979.

It is an arithmetic number, because the mean of its divisors is an integer number (443397240).

Almost surely, 2^7797419990 is an apocalyptic number.

7797419990 is a deficient number, since it is larger than the sum of its proper divisors (6391291690).

7797419990 is a wasteful number, since it uses less digits than its factorization.

7797419990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19588.

The product of its (nonzero) digits is 9001692, while the sum is 62.

The square root of 7797419990 is about 88303.0010248802. The cubic root of 7797419990 is about 1982.9737980360.

The spelling of 7797419990 in words is "seven billion, seven hundred ninety-seven million, four hundred nineteen thousand, nine hundred ninety".