6396867874 has 8 divisors (see below), whose sum is σ = 9599905728. Its totient is φ = 3196899300.

The previous prime is 6396867859. The next prime is 6396867881. The reversal of 6396867874 is 4787686936.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 762102 + ... + 770449.

It is an arithmetic number, because the mean of its divisors is an integer number (1199988216).

Almost surely, 2^6396867874 is an apocalyptic number.

6396867874 is a deficient number, since it is larger than the sum of its proper divisors (3203037854).

6396867874 is a wasteful number, since it uses less digits than its factorization.

6396867874 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1534640.

The product of its digits is 73156608, while the sum is 64.

The square root of 6396867874 is about 79980.4218168422. The cubic root of 6396867874 is about 1856.3326081675.

The spelling of 6396867874 in words is "six billion, three hundred ninety-six million, eight hundred sixty-seven thousand, eight hundred seventy-four".