1097988716 has 24 divisors (see below), whose sum is σ = 2107756560. Its totient is φ = 496324800.

The previous prime is 1097988713. The next prime is 1097988737. The reversal of 1097988716 is 6178897901.

It is not an unprimeable number, because it can be changed into a prime (1097988713) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 60971 + ... + 76898.

It is an arithmetic number, because the mean of its divisors is an integer number (87823190).

Almost surely, 2^1097988716 is an apocalyptic number.

It is an amenable number.

1097988716 is a deficient number, since it is larger than the sum of its proper divisors (1009767844).

1097988716 is a wasteful number, since it uses less digits than its factorization.

1097988716 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138065 (or 138063 counting only the distinct ones).

The product of its (nonzero) digits is 1524096, while the sum is 56.

The square root of 1097988716 is about 33135.9127835646. The cubic root of 1097988716 is about 1031.6505775248.

The spelling of 1097988716 in words is "one billion, ninety-seven million, nine hundred eighty-eight thousand, seven hundred sixteen".