157887538215 has 32 divisors (see below), whose sum is σ = 280785263616. Its totient is φ = 75107160960.

The previous prime is 157887538147. The next prime is 157887538217. The reversal of 157887538215 is 512835788751.

It is not a de Polignac number, because 157887538215 - 2¹⁶ = 157887472679 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (157887538217) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9018559 + ... + 9036048.

It is an arithmetic number, because the mean of its divisors is an integer number (8774539488).

Almost surely, 2^157887538215 is an apocalyptic number.

157887538215 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

157887538215 is a deficient number, since it is larger than the sum of its proper divisors (122897725401).

157887538215 is a wasteful number, since it uses less digits than its factorization.

157887538215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18054679.

The product of its digits is 18816000, while the sum is 60.

The spelling of 157887538215 in words is "one hundred fifty-seven billion, eight hundred eighty-seven million, five hundred thirty-eight thousand, two hundred fifteen".