7882961398 has 12 divisors (see below), whose sum is σ = 12803982228. Its totient is φ = 3638289720.

The previous prime is 7882961351. The next prime is 7882961399. The reversal of 7882961398 is 8931692887.

It is a super-2 number, since 2×7882961398² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7882961399) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 11660848 + ... + 11661523.

It is an arithmetic number, because the mean of its divisors is an integer number (1066998519).

Almost surely, 2^7882961398 is an apocalyptic number.

7882961398 is a deficient number, since it is larger than the sum of its proper divisors (4921020830).

7882961398 is a wasteful number, since it uses less digits than its factorization.

7882961398 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23322399 (or 23322386 counting only the distinct ones).

The product of its digits is 10450944, while the sum is 61.

The square root of 7882961398 is about 88786.0428107932. The cubic root of 7882961398 is about 1990.1988301623.

The spelling of 7882961398 in words is "seven billion, eight hundred eighty-two million, nine hundred sixty-one thousand, three hundred ninety-eight".