87260181811199 has 16 divisors (see below), whose sum is σ = 96416401878720. Its totient is φ = 78551448983040.

The previous prime is 87260181811163. The next prime is 87260181811211. The reversal of 87260181811199 is 99111818106278.

It is a cyclic number.

It is not a de Polignac number, because 87260181811199 - 2²⁸ = 87259913375743 is a prime.

It is a super-2 number, since 2×87260181811199² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87260181511199) 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, 1028732 + ... + 13250609.

It is an arithmetic number, because the mean of its divisors is an integer number (6026025117420).

Almost surely, 2^{87260181811199} is an apocalyptic number.

87260181811199 is a deficient number, since it is larger than the sum of its proper divisors (9156220067521).

87260181811199 is a wasteful number, since it uses less digits than its factorization.

87260181811199 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14295010.

The product of its (nonzero) digits is 3483648, while the sum is 62.

The spelling of 87260181811199 in words is "eighty-seven trillion, two hundred sixty billion, one hundred eighty-one million, eight hundred eleven thousand, one hundred ninety-nine".