87522377412427 has 4 divisors (see below), whose sum is σ = 87538374927936. Its totient is φ = 87506379896920.

The previous prime is 87522377412401. The next prime is 87522377412433. The reversal of 87522377412427 is 72421477322578.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-87522377412427 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (87522377412497) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7998749548 + ... + 7998760489.

It is an arithmetic number, because the mean of its divisors is an integer number (21884593731984).

Almost surely, 2^{87522377412427} is an apocalyptic number.

87522377412427 is a deficient number, since it is larger than the sum of its proper divisors (15997515509).

87522377412427 is a wasteful number, since it uses less digits than its factorization.

87522377412427 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15997515508.

The product of its digits is 73758720, while the sum is 61.

The spelling of 87522377412427 in words is "eighty-seven trillion, five hundred twenty-two billion, three hundred seventy-seven million, four hundred twelve thousand, four hundred twenty-seven".