2687125964 has 24 divisors (see below), whose sum is σ = 4895642640. Its totient is φ = 1288961856.

The previous prime is 2687125933. The next prime is 2687125979. The reversal of 2687125964 is 4695217862.

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, 55562 + ... + 91985.

It is an arithmetic number, because the mean of its divisors is an integer number (203985110).

Almost surely, 2^2687125964 is an apocalyptic number.

It is an amenable number.

2687125964 is a deficient number, since it is larger than the sum of its proper divisors (2208516676).

2687125964 is a wasteful number, since it uses less digits than its factorization.

2687125964 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 147737 (or 147735 counting only the distinct ones).

The product of its digits is 1451520, while the sum is 50.

The square root of 2687125964 is about 51837.4957342656. The cubic root of 2687125964 is about 1390.2599386201.

The spelling of 2687125964 in words is "two billion, six hundred eighty-seven million, one hundred twenty-five thousand, nine hundred sixty-four".