120087937785 has 16 divisors (see below), whose sum is σ = 192256001856. Its totient is φ = 64008466368.

The previous prime is 120087937771. The next prime is 120087937789. The reversal of 120087937785 is 587739780021.

It is a de Polignac number, because none of the positive numbers 2^k-120087937785 is a prime.

It is a super-2 number, since 2×120087937785² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (120087937789) 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, 2376274 + ... + 2426283.

It is an arithmetic number, because the mean of its divisors is an integer number (12016000116).

Almost surely, 2^120087937785 is an apocalyptic number.

120087937785 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

120087937785 is a deficient number, since it is larger than the sum of its proper divisors (72168064071).

120087937785 is a wasteful number, since it uses less digits than its factorization.

120087937785 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4804232.

The product of its (nonzero) digits is 5927040, while the sum is 57.

The spelling of 120087937785 in words is "one hundred twenty billion, eighty-seven million, nine hundred thirty-seven thousand, seven hundred eighty-five".