979806862 has 4 divisors (see below), whose sum is σ = 1469710296. Its totient is φ = 489903430.

The previous prime is 979806857. The next prime is 979806871. The reversal of 979806862 is 268608979.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 268608979 = 167 ⋅1608437.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 244951714 + ... + 244951717.

It is an arithmetic number, because the mean of its divisors is an integer number (367427574).

Almost surely, 2^979806862 is an apocalyptic number.

979806862 is a deficient number, since it is larger than the sum of its proper divisors (489903434).

979806862 is a wasteful number, since it uses less digits than its factorization.

979806862 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 489903433.

The product of its (nonzero) digits is 2612736, while the sum is 55.

The square root of 979806862 is about 31301.8667494448. The cubic root of 979806862 is about 993.2231318021.

The spelling of 979806862 in words is "nine hundred seventy-nine million, eight hundred six thousand, eight hundred sixty-two".