7087660856 has 8 divisors (see below), whose sum is σ = 13289364120. Its totient is φ = 3543830424.

The previous prime is 7087660849. The next prime is 7087660873. The reversal of 7087660856 is 6580667807.

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 7087660798 and 7087660807.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 442978796 + ... + 442978811.

It is an arithmetic number, because the mean of its divisors is an integer number (1661170515).

Almost surely, 2^7087660856 is an apocalyptic number.

It is an amenable number.

7087660856 is a deficient number, since it is larger than the sum of its proper divisors (6201703264).

7087660856 is a wasteful number, since it uses less digits than its factorization.

7087660856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 885957613 (or 885957609 counting only the distinct ones).

The product of its (nonzero) digits is 3386880, while the sum is 53.

The square root of 7087660856 is about 84188.2465430894. The cubic root of 7087660856 is about 1920.8832792120.

The spelling of 7087660856 in words is "seven billion, eighty-seven million, six hundred sixty thousand, eight hundred fifty-six".