87393939835 has 16 divisors (see below), whose sum is σ = 105660983232. Its totient is φ = 69390921600.

The previous prime is 87393939827. The next prime is 87393939839. The reversal of 87393939835 is 53893939378.

It is not a de Polignac number, because 87393939835 - 2³ = 87393939827 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (87393939839) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 472765 + ... + 631105.

It is an arithmetic number, because the mean of its divisors is an integer number (6603811452).

Almost surely, 2^87393939835 is an apocalyptic number.

87393939835 is a deficient number, since it is larger than the sum of its proper divisors (18267043397).

87393939835 is a wasteful number, since it uses less digits than its factorization.

87393939835 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 159174.

The product of its digits is 132269760, while the sum is 67.

The spelling of 87393939835 in words is "eighty-seven billion, three hundred ninety-three million, nine hundred thirty-nine thousand, eight hundred thirty-five".