7997116770 has 64 divisors (see below), whose sum is σ = 21444912000. Its totient is φ = 2120637888.

The previous prime is 7997116769. The next prime is 7997116793. The reversal of 7997116770 is 776117997.

7997116770 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 34405 + ... + 131064.

It is an arithmetic number, because the mean of its divisors is an integer number (335076750).

Almost surely, 2^7997116770 is an apocalyptic number.

7997116770 is an abundant number, since it is smaller than the sum of its proper divisors (13447795230).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

7997116770 is a wasteful number, since it uses less digits than its factorization.

7997116770 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 165664 (or 165658 counting only the distinct ones).

The product of its (nonzero) digits is 1166886, while the sum is 54.

The square root of 7997116770 is about 89426.5999018189. The cubic root of 7997116770 is about 1999.7597019629.

The spelling of 7997116770 in words is "seven billion, nine hundred ninety-seven million, one hundred sixteen thousand, seven hundred seventy".