157489839792 has 30 divisors (see below), whose sum is σ = 440752815932. Its totient is φ = 52496613216.

The previous prime is 157489839763. The next prime is 157489839817. The reversal of 157489839792 is 297938984751.

157489839792 is a `hidden beast` number, since 1 + 5 + 74 + 89 + 8 + 397 + 92 = 666.

It is a Harshad number since it is a multiple of its sum of digits (72).

It is a self number, because there is not a number n which added to its sum of digits gives 157489839792.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 546839578 + ... + 546839865.

Almost surely, 2^157489839792 is an apocalyptic number.

157489839792 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

157489839792 is an abundant number, since it is smaller than the sum of its proper divisors (283262976140).

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

157489839792 is a wasteful number, since it uses less digits than its factorization.

157489839792 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1093679457 (or 1093679448 counting only the distinct ones).

The product of its digits is 274337280, while the sum is 72.

The spelling of 157489839792 in words is "one hundred fifty-seven billion, four hundred eighty-nine million, eight hundred thirty-nine thousand, seven hundred ninety-two".