97386992628 has 24 divisors (see below), whose sum is σ = 227753951040. Its totient is φ = 32388383040.

The previous prime is 97386992627. The next prime is 97386992641. The reversal of 97386992628 is 82629968379.

It is a super-2 number, since 2×97386992628² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97386992627) 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, 9237993 + ... + 9248528.

It is an arithmetic number, because the mean of its divisors is an integer number (9489747960).

Almost surely, 2^97386992628 is an apocalyptic number.

It is an amenable number.

97386992628 is an abundant number, since it is smaller than the sum of its proper divisors (130366958412).

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

97386992628 is a wasteful number, since it uses less digits than its factorization.

97386992628 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18486967 (or 18486965 counting only the distinct ones).

The product of its digits is 141087744, while the sum is 69.

The spelling of 97386992628 in words is "ninety-seven billion, three hundred eighty-six million, nine hundred ninety-two thousand, six hundred twenty-eight".