97288228737 has 32 divisors (see below), whose sum is σ = 165731420160. Its totient is φ = 55252193040.

The previous prime is 97288228733. The next prime is 97288228757. The reversal of 97288228737 is 73782288279.

It is not a de Polignac number, because 97288228737 - 2² = 97288228733 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is not an unprimeable number, because it can be changed into a prime (97288228733) 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, 1548189 + ... + 1609802.

It is an arithmetic number, because the mean of its divisors is an integer number (5179106880).

Almost surely, 2^97288228737 is an apocalyptic number.

It is an amenable number.

97288228737 is a deficient number, since it is larger than the sum of its proper divisors (68443191423).

97288228737 is a wasteful number, since it uses less digits than its factorization.

97288228737 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3158170 (or 3158164 counting only the distinct ones).

The product of its digits is 37933056, while the sum is 63.

The spelling of 97288228737 in words is "ninety-seven billion, two hundred eighty-eight million, two hundred twenty-eight thousand, seven hundred thirty-seven".