87219500331418 has 64 divisors (see below), whose sum is σ = 164580150067200. Its totient is φ = 34447003920000.

The previous prime is 87219500331409. The next prime is 87219500331443. The reversal of 87219500331418 is 81413300591278.

It is a super-2 number, since 2×87219500331418² (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2776858 + ... + 13496293.

It is an arithmetic number, because the mean of its divisors is an integer number (2571564844800).

Almost surely, 2^{87219500331418} is an apocalyptic number.

87219500331418 is a deficient number, since it is larger than the sum of its proper divisors (77360649735782).

87219500331418 is a wasteful number, since it uses less digits than its factorization.

87219500331418 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16273788 (or 16273774 counting only the distinct ones).

The product of its (nonzero) digits is 1451520, while the sum is 52.

The spelling of 87219500331418 in words is "eighty-seven trillion, two hundred nineteen billion, five hundred million, three hundred thirty-one thousand, four hundred eighteen".