87808385040236 has 36 divisors (see below), whose sum is σ = 182909825333928. Its totient is φ = 36756998385408.

The previous prime is 87808385040179. The next prime is 87808385040239. The reversal of 87808385040236 is 63204058380878.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (87808385040239) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5209316741 + ... + 5209333596.

It is an arithmetic number, because the mean of its divisors is an integer number (5080828481498).

Almost surely, 2^{87808385040236} is an apocalyptic number.

87808385040236 is a gapful number since it is divisible by the number (86) formed by its first and last digit.

It is an amenable number.

87808385040236 is an abundant number, since it is smaller than the sum of its proper divisors (95101440293692).

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

87808385040236 is a wasteful number, since it uses less digits than its factorization.

87808385040236 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10418650398 (or 10418650389 counting only the distinct ones).

The product of its (nonzero) digits is 61931520, while the sum is 62.

The spelling of 87808385040236 in words is "eighty-seven trillion, eight hundred eight billion, three hundred eighty-five million, forty thousand, two hundred thirty-six".