6878312365 has 8 divisors (see below), whose sum is σ = 8538594840. Its totient is φ = 5312903232.

The previous prime is 6878312323. The next prime is 6878312381. The reversal of 6878312365 is 5632138786.

It can be written as a sum of positive squares in 4 ways, for example, as 595213609 + 6283098756 = 24397^2 + 79266^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6878312365 is a prime.

It is a super-2 number, since 2×6878312365² = 94622361981023786450, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23718174 + ... + 23718463.

It is an arithmetic number, because the mean of its divisors is an integer number (1067324355).

Almost surely, 2^6878312365 is an apocalyptic number.

It is an amenable number.

6878312365 is a deficient number, since it is larger than the sum of its proper divisors (1660282475).

6878312365 is a wasteful number, since it uses less digits than its factorization.

6878312365 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47436671.

The product of its digits is 1451520, while the sum is 49.

The square root of 6878312365 is about 82935.5916660634. The cubic root of 6878312365 is about 1901.7815575112.

The spelling of 6878312365 in words is "six billion, eight hundred seventy-eight million, three hundred twelve thousand, three hundred sixty-five".