157653893 has 4 divisors (see below), whose sum is σ = 157745280. Its totient is φ = 157562508.

The previous prime is 157653877. The next prime is 157653911. The reversal of 157653893 is 398356751.

157653893 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 398356751 = 13 ⋅30642827.

It is a cyclic number.

It is not a de Polignac number, because 157653893 - 2⁴ = 157653877 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 (157653493) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 43055 + ... + 46572.

It is an arithmetic number, because the mean of its divisors is an integer number (39436320).

Almost surely, 2^157653893 is an apocalyptic number.

It is an amenable number.

157653893 is a deficient number, since it is larger than the sum of its proper divisors (91387).

157653893 is an equidigital number, since it uses as much as digits as its factorization.

157653893 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91386.

The product of its digits is 680400, while the sum is 47.

The square root of 157653893 is about 12556.0301449144. The cubic root of 157653893 is about 540.2169829876.

The spelling of 157653893 in words is "one hundred fifty-seven million, six hundred fifty-three thousand, eight hundred ninety-three".