97157424 has 240 divisors, whose sum is σ = 326764800. Its totient is φ = 24321024.

The previous prime is 97157407. The next prime is 97157429. The reversal of 97157424 is 42475179.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97157429) 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, 1646707 + ... + 1646765.

It is an arithmetic number, because the mean of its divisors is an integer number (1361520).

Almost surely, 2^97157424 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 97157424, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (163382400).

97157424 is an abundant number, since it is smaller than the sum of its proper divisors (229607376).

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

97157424 is a wasteful number, since it uses less digits than its factorization.

97157424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132 (or 113 counting only the distinct ones).

The product of its digits is 70560, while the sum is 39.

The square root of 97157424 is about 9856.8465545528. The cubic root of 97157424 is about 459.7185171413.

The spelling of 97157424 in words is "ninety-seven million, one hundred fifty-seven thousand, four hundred twenty-four".