97937814849 has 32 divisors (see below), whose sum is σ = 155771320320. Its totient is φ = 53516065152.

The previous prime is 97937814829. The next prime is 97937814851. The reversal of 97937814849 is 94841873979.

It is not a de Polignac number, because 97937814849 - 2²³ = 97929426241 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (69).

It is not an unprimeable number, because it can be changed into a prime (97937814829) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1798429 + ... + 1852085.

It is an arithmetic number, because the mean of its divisors is an integer number (4867853760).

Almost surely, 2^97937814849 is an apocalyptic number.

It is an amenable number.

97937814849 is a deficient number, since it is larger than the sum of its proper divisors (57833505471).

97937814849 is a wasteful number, since it uses less digits than its factorization.

97937814849 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57469.

The product of its digits is 109734912, while the sum is 69.

The spelling of 97937814849 in words is "ninety-seven billion, nine hundred thirty-seven million, eight hundred fourteen thousand, eight hundred forty-nine".