87200945078918 has 16 divisors (see below), whose sum is σ = 146172759379920. Its totient is φ = 38670042163200.

The previous prime is 87200945078909. The next prime is 87200945078921. The reversal of 87200945078918 is 81987054900278.

It is a super-2 number, since 2×87200945078918² (a number of 29 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 48337551803 + ... + 48337553606.

It is an arithmetic number, because the mean of its divisors is an integer number (9135797461245).

Almost surely, 2^{87200945078918} is an apocalyptic number.

87200945078918 is a deficient number, since it is larger than the sum of its proper divisors (58971814301002).

87200945078918 is a wasteful number, since it uses less digits than its factorization.

87200945078918 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96675105463.

The product of its (nonzero) digits is 81285120, while the sum is 68.

The spelling of 87200945078918 in words is "eighty-seven trillion, two hundred billion, nine hundred forty-five million, seventy-eight thousand, nine hundred eighteen".