157743986700 has 144 divisors (see below), whose sum is σ = 472623750144. Its totient is φ = 40578950400.

The previous prime is 157743986689. The next prime is 157743986707. The reversal of 157743986700 is 7689347751.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (157743986707) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2921347 + ... + 2974853.

It is an arithmetic number, because the mean of its divisors is an integer number (3282109376).

Almost surely, 2^157743986700 is an apocalyptic number.

157743986700 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 157743986700, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (236311875072).

157743986700 is an abundant number, since it is smaller than the sum of its proper divisors (314879763444).

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

157743986700 is a wasteful number, since it uses less digits than its factorization.

157743986700 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53872 (or 53865 counting only the distinct ones).

The product of its (nonzero) digits is 8890560, while the sum is 57.

The spelling of 157743986700 in words is "one hundred fifty-seven billion, seven hundred forty-three million, nine hundred eighty-six thousand, seven hundred".