8797997978 has 32 divisors (see below), whose sum is σ = 16460316288. Its totient is φ = 3426350400.

The previous prime is 8797997969. The next prime is 8797997993.

8797997978 is nontrivially palindromic in base 10.

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, 401588 + ... + 422928.

It is an arithmetic number, because the mean of its divisors is an integer number (514384884).

Almost surely, 2^8797997978 is an apocalyptic number.

8797997978 is a deficient number, since it is larger than the sum of its proper divisors (7662318310).

8797997978 is a wasteful number, since it uses less digits than its factorization.

8797997978 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24038.

The product of its digits is 1008189504, while the sum is 80.

The square root of 8797997978 is about 93797.6437763764. The cubic root of 8797997978 is about 2064.4036548337.

The spelling of 8797997978 in words is "eight billion, seven hundred ninety-seven million, nine hundred ninety-seven thousand, nine hundred seventy-eight".