87241566514278 has 32 divisors (see below), whose sum is σ = 190345931741952. Its totient is φ = 26436741711200.

The previous prime is 87241566514273. The next prime is 87241566514321.

87241566514278 is nontrivially palindromic in base 10.

It is a super-2 number, since 2×87241566514278² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (66).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87241566514273) 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, 16945348 + ... + 21485528.

It is an arithmetic number, because the mean of its divisors is an integer number (5948310366936).

Almost surely, 2^{87241566514278} is an apocalyptic number.

87241566514278 is an abundant number, since it is smaller than the sum of its proper divisors (103104365227674).

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

87241566514278 is a wasteful number, since it uses less digits than its factorization.

87241566514278 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4831340.

The product of its digits is 180633600, while the sum is 66.

The spelling of 87241566514278 in words is "eighty-seven trillion, two hundred forty-one billion, five hundred sixty-six million, five hundred fourteen thousand, two hundred seventy-eight".