7639659798 has 16 divisors (see below), whose sum is σ = 15419498160. Its totient is φ = 2523190176.

The previous prime is 7639659787. The next prime is 7639659827. The reversal of 7639659798 is 8979569367.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5840065 + ... + 5841372.

It is an arithmetic number, because the mean of its divisors is an integer number (963718635).

Almost surely, 2^7639659798 is an apocalyptic number.

7639659798 is an abundant number, since it is smaller than the sum of its proper divisors (7779838362).

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

7639659798 is a wasteful number, since it uses less digits than its factorization.

7639659798 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11681551.

The product of its digits is 154314720, while the sum is 69.

The square root of 7639659798 is about 87405.1474342330. The cubic root of 7639659798 is about 1969.5091666277.

The spelling of 7639659798 in words is "seven billion, six hundred thirty-nine million, six hundred fifty-nine thousand, seven hundred ninety-eight".