118687020387 has 16 divisors (see below), whose sum is σ = 170431365888. Its totient is φ = 73034318880.

The previous prime is 118687020337. The next prime is 118687020409. The reversal of 118687020387 is 783020786811.

It is not a de Polignac number, because 118687020387 - 2¹¹ = 118687018339 is a prime.

It is not an unprimeable number, because it can be changed into a prime (118687020337) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 788962 + ... + 927272.

It is an arithmetic number, because the mean of its divisors is an integer number (10651960368).

Almost surely, 2^118687020387 is an apocalyptic number.

118687020387 is a deficient number, since it is larger than the sum of its proper divisors (51744345501).

118687020387 is a wasteful number, since it uses less digits than its factorization.

118687020387 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 160330.

The product of its (nonzero) digits is 903168, while the sum is 51.

The spelling of 118687020387 in words is "one hundred eighteen billion, six hundred eighty-seven million, twenty thousand, three hundred eighty-seven".