157988606703980 has 24 divisors (see below), whose sum is σ = 357297310546512. Its totient is φ = 58334254782912.

The previous prime is 157988606703931. The next prime is 157988606704073. The reversal of 157988606703980 is 89307606889751.

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, 303824243402 + ... + 303824243921.

It is an arithmetic number, because the mean of its divisors is an integer number (14887387939438).

Almost surely, 2^{157988606703980} is an apocalyptic number.

157988606703980 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

157988606703980 is an abundant number, since it is smaller than the sum of its proper divisors (199308703842532).

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

157988606703980 is a wasteful number, since it uses less digits than its factorization.

157988606703980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 607648487345 (or 607648487343 counting only the distinct ones).

The product of its (nonzero) digits is 1097349120, while the sum is 77.

The spelling of 157988606703980 in words is "one hundred fifty-seven trillion, nine hundred eighty-eight billion, six hundred six million, seven hundred three thousand, nine hundred eighty".