93897157 has 8 divisors (see below), whose sum is σ = 99761400. Its totient is φ = 88208064.

The previous prime is 93897151. The next prime is 93897161. The reversal of 93897157 is 75179839.

It can be written as a sum of positive squares in 4 ways, for example, as 62188996 + 31708161 = 7886^2 + 5631^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 93897157 - 2⁷ = 93897029 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 93897157.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (93897151) 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, 42682 + ... + 44827.

It is an arithmetic number, because the mean of its divisors is an integer number (12470175).

Almost surely, 2^93897157 is an apocalyptic number.

It is an amenable number.

93897157 is a deficient number, since it is larger than the sum of its proper divisors (5864243).

93897157 is a wasteful number, since it uses less digits than its factorization.

93897157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87575.

The product of its digits is 476280, while the sum is 49.

The square root of 93897157 is about 9690.0545406102. The cubic root of 93897157 is about 454.5177146308.

The spelling of 93897157 in words is "ninety-three million, eight hundred ninety-seven thousand, one hundred fifty-seven".