97424157 has 8 divisors (see below), whose sum is σ = 130467040. Its totient is φ = 64665360.

The previous prime is 97424149. The next prime is 97424167. The reversal of 97424157 is 75142479.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 97424157 - 2³ = 97424149 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97424167) 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, 70219 + ... + 71592.

It is an arithmetic number, because the mean of its divisors is an integer number (16308380).

Almost surely, 2^97424157 is an apocalyptic number.

It is an amenable number.

97424157 is a deficient number, since it is larger than the sum of its proper divisors (33042883).

97424157 is a wasteful number, since it uses less digits than its factorization.

97424157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142043.

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

The square root of 97424157 is about 9870.3676223330. The cubic root of 97424157 is about 460.1388317562.

The spelling of 97424157 in words is "ninety-seven million, four hundred twenty-four thousand, one hundred fifty-seven".