87242111124278 has 16 divisors (see below), whose sum is σ = 142760964208896. Its totient is φ = 39655186721640.

The previous prime is 87242111124269. The next prime is 87242111124293.

87242111124278 is nontrivially palindromic in base 10.

It is a super-2 number, since 2×87242111124278² (a number of 29 digits) contains 22 as substring.

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, 13102826 + ... + 18605597.

It is an arithmetic number, because the mean of its divisors is an integer number (8922560263056).

Almost surely, 2^{87242111124278} is an apocalyptic number.

87242111124278 is a deficient number, since it is larger than the sum of its proper divisors (55518853084618).

87242111124278 is a wasteful number, since it uses less digits than its factorization.

87242111124278 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31833499.

The product of its digits is 802816, while the sum is 50.

It can be divided in two parts, 8724211 and 1124278, that added together give a palindrome (9848489).

The spelling of 87242111124278 in words is "eighty-seven trillion, two hundred forty-two billion, one hundred eleven million, one hundred twenty-four thousand, two hundred seventy-eight".