6872634515 has 4 divisors (see below), whose sum is σ = 8247161424. Its totient is φ = 5498107608.

The previous prime is 6872634493. The next prime is 6872634539. The reversal of 6872634515 is 5154362786.

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

It is a cyclic number.

It is not a de Polignac number, because 6872634515 - 2¹² = 6872630419 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 6872634515.

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, 687263447 + ... + 687263456.

It is an arithmetic number, because the mean of its divisors is an integer number (2061790356).

Almost surely, 2^6872634515 is an apocalyptic number.

6872634515 is a deficient number, since it is larger than the sum of its proper divisors (1374526909).

6872634515 is a wasteful number, since it uses less digits than its factorization.

6872634515 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1374526908.

The product of its digits is 1209600, while the sum is 47.

The square root of 6872634515 is about 82901.3541204244. The cubic root of 6872634515 is about 1901.2581247096.

The spelling of 6872634515 in words is "six billion, eight hundred seventy-two million, six hundred thirty-four thousand, five hundred fifteen".