97815030112 has 48 divisors (see below), whose sum is σ = 199149898752. Its totient is φ = 47243064960.

The previous prime is 97815030097. The next prime is 97815030113. The reversal of 97815030112 is 21103051879.

It is a super-2 number, since 2×97815030112² (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 (97815030113) 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, 452493 + ... + 632755.

It is an arithmetic number, because the mean of its divisors is an integer number (4148956224).

Almost surely, 2^97815030112 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 97815030112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (99574949376).

97815030112 is an abundant number, since it is smaller than the sum of its proper divisors (101334868640).

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

97815030112 is a wasteful number, since it uses less digits than its factorization.

97815030112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 180851 (or 180843 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 37.

The spelling of 97815030112 in words is "ninety-seven billion, eight hundred fifteen million, thirty thousand, one hundred twelve".