109997564798 has 16 divisors (see below), whose sum is σ = 180043259760. Its totient is φ = 49985769600.

The previous prime is 109997564773. The next prime is 109997564921. The reversal of 109997564798 is 897465799901.

It is a super-2 number, since 2×109997564798² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

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, 570203 + ... + 738326.

It is an arithmetic number, because the mean of its divisors is an integer number (11252703735).

Almost surely, 2^109997564798 is an apocalyptic number.

109997564798 is a deficient number, since it is larger than the sum of its proper divisors (70045694962).

109997564798 is a wasteful number, since it uses less digits than its factorization.

109997564798 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1312363.

The product of its (nonzero) digits is 308629440, while the sum is 74.

The spelling of 109997564798 in words is "one hundred nine billion, nine hundred ninety-seven million, five hundred sixty-four thousand, seven hundred ninety-eight".