8797738618 has 4 divisors (see below), whose sum is σ = 13196607930. Its totient is φ = 4398869308.

The previous prime is 8797738601. The next prime is 8797738627. The reversal of 8797738618 is 8168377978.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 6743201689 + 2054536929 = 82117^2 + 45327^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 8797738618.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2199434653 + ... + 2199434656.

Almost surely, 2^8797738618 is an apocalyptic number.

8797738618 is a deficient number, since it is larger than the sum of its proper divisors (4398869312).

8797738618 is a wasteful number, since it uses less digits than its factorization.

8797738618 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4398869311.

The product of its digits is 28449792, while the sum is 64.

The square root of 8797738618 is about 93796.2612154664. The cubic root of 8797738618 is about 2064.3833688173.

The spelling of 8797738618 in words is "eight billion, seven hundred ninety-seven million, seven hundred thirty-eight thousand, six hundred eighteen".