7905670988 has 6 divisors (see below), whose sum is σ = 13834924236. Its totient is φ = 3952835492.

The previous prime is 7905670979. The next prime is 7905670991. The reversal of 7905670988 is 8890765097.

It is a super-2 number, since 2×7905670988² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 988208870 + ... + 988208877.

It is an arithmetic number, because the mean of its divisors is an integer number (2305820706).

Almost surely, 2^7905670988 is an apocalyptic number.

It is an amenable number.

7905670988 is a deficient number, since it is larger than the sum of its proper divisors (5929253248).

7905670988 is a wasteful number, since it uses less digits than its factorization.

7905670988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1976417751 (or 1976417749 counting only the distinct ones).

The product of its (nonzero) digits is 7620480, while the sum is 59.

The square root of 7905670988 is about 88913.8402499858. The cubic root of 7905670988 is about 1992.1081493059.

The spelling of 7905670988 in words is "seven billion, nine hundred five million, six hundred seventy thousand, nine hundred eighty-eight".