97098153438 has 96 divisors (see below), whose sum is σ = 237291134976. Its totient is φ = 26284104000.

The previous prime is 97098153437. The next prime is 97098153487. The reversal of 97098153438 is 83435189079.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97098153431) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 126643 + ... + 458513.

It is an arithmetic number, because the mean of its divisors is an integer number (2471782656).

Almost surely, 2^97098153438 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 97098153438, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (118645567488).

97098153438 is an abundant number, since it is smaller than the sum of its proper divisors (140192981538).

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

97098153438 is a wasteful number, since it uses less digits than its factorization.

97098153438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 331942 (or 331931 counting only the distinct ones).

The product of its (nonzero) digits is 6531840, while the sum is 57.

The spelling of 97098153438 in words is "ninety-seven billion, ninety-eight million, one hundred fifty-three thousand, four hundred thirty-eight".