6878713731 has 8 divisors (see below), whose sum is σ = 9209994240. Its totient is φ = 4566621192.

The previous prime is 6878713687. The next prime is 6878713733. The reversal of 6878713731 is 1373178786.

It is a happy number.

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

It is not a de Polignac number, because 6878713731 - 2¹⁰ = 6878712707 is a prime.

It is a super-2 number, since 2×6878713731² = 94633405186095880722, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (6878713733) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4796155 + ... + 4797588.

It is an arithmetic number, because the mean of its divisors is an integer number (1151249280).

Almost surely, 2^6878713731 is an apocalyptic number.

6878713731 is a deficient number, since it is larger than the sum of its proper divisors (2331280509).

6878713731 is a wasteful number, since it uses less digits than its factorization.

6878713731 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9593985.

The product of its digits is 1185408, while the sum is 51.

The square root of 6878713731 is about 82938.0113759668. The cubic root of 6878713731 is about 1901.8185479613.

The spelling of 6878713731 in words is "six billion, eight hundred seventy-eight million, seven hundred thirteen thousand, seven hundred thirty-one".