157578808752 has 160 divisors (see below), whose sum is σ = 458921698560. Its totient is φ = 52408358208.

The previous prime is 157578808733. The next prime is 157578808813. The reversal of 157578808752 is 257808875751.

157578808752 is a `hidden beast` number, since 1 + 5 + 7 + 578 + 8 + 0 + 8 + 7 + 52 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 157578808752.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 16336443 + ... + 16346085.

It is an arithmetic number, because the mean of its divisors is an integer number (2868260616).

Almost surely, 2^157578808752 is an apocalyptic number.

157578808752 is a gapful number since it is divisible by the number (12) 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 157578808752, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (229460849280).

157578808752 is an abundant number, since it is smaller than the sum of its proper divisors (301342889808).

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

157578808752 is an frugal number, since it uses more digits than its factorization.

157578808752 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10139 (or 10115 counting only the distinct ones).

The product of its (nonzero) digits is 43904000, while the sum is 63.

The spelling of 157578808752 in words is "one hundred fifty-seven billion, five hundred seventy-eight million, eight hundred eight thousand, seven hundred fifty-two".