157713678 has 48 divisors (see below), whose sum is σ = 354931200. Its totient is φ = 50559120.

The previous prime is 157713659. The next prime is 157713679. The reversal of 157713678 is 876317751.

157713678 is a `hidden beast` number, since 1 + 577 + 1 + 3 + 6 + 78 = 666.

157713678 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (157713679) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 99093 + ... + 100671.

It is an arithmetic number, because the mean of its divisors is an integer number (7394400).

Almost surely, 2^157713678 is an apocalyptic number.

157713678 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 157713678, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (177465600).

157713678 is an abundant number, since it is smaller than the sum of its proper divisors (197217522).

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

157713678 is a wasteful number, since it uses less digits than its factorization.

157713678 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1797 (or 1794 counting only the distinct ones).

The product of its digits is 246960, while the sum is 45.

The square root of 157713678 is about 12558.4106478487. The cubic root of 157713678 is about 540.2852608040.

The spelling of 157713678 in words is "one hundred fifty-seven million, seven hundred thirteen thousand, six hundred seventy-eight".