157868324488 has 32 divisors (see below), whose sum is σ = 343053912960. Its totient is φ = 66704924160.

The previous prime is 157868324377. The next prime is 157868324567. The reversal of 157868324488 is 884423868751.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19848681 + ... + 19856632.

It is an arithmetic number, because the mean of its divisors is an integer number (10720434780).

Almost surely, 2^157868324488 is an apocalyptic number.

It is an amenable number.

157868324488 is an abundant number, since it is smaller than the sum of its proper divisors (185185588472).

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

157868324488 is a wasteful number, since it uses less digits than its factorization.

157868324488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39705397 (or 39705393 counting only the distinct ones).

The product of its digits is 82575360, while the sum is 64.

The spelling of 157868324488 in words is "one hundred fifty-seven billion, eight hundred sixty-eight million, three hundred twenty-four thousand, four hundred eighty-eight".