157789854720 has 528 divisors, whose sum is σ = 587259211968. Its totient is φ = 39030620160.

The previous prime is 157789854713. The next prime is 157789854749. The reversal of 157789854720 is 27458987751.

157789854720 is a `hidden beast` number, since 1 + 5 + 7 + 7 + 89 + 8 + 547 + 2 + 0 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 55617142 + ... + 55619978.

It is an arithmetic number, because the mean of its divisors is an integer number (1112233356).

Almost surely, 2^157789854720 is an apocalyptic number.

157789854720 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 157789854720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (293629605984).

157789854720 is an abundant number, since it is smaller than the sum of its proper divisors (429469357248).

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

157789854720 is a wasteful number, since it uses less digits than its factorization.

157789854720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2956 (or 2935 counting only the distinct ones).

The product of its (nonzero) digits is 39513600, while the sum is 63.

The spelling of 157789854720 in words is "one hundred fifty-seven billion, seven hundred eighty-nine million, eight hundred fifty-four thousand, seven hundred twenty".