87087251047 has 4 divisors (see below), whose sum is σ = 87238182736. Its totient is φ = 86936319360.

The previous prime is 87087251029. The next prime is 87087251189. The reversal of 87087251047 is 74015278078.

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

It is a cyclic number.

It is not a de Polignac number, because 87087251047 - 2³⁵ = 52727512679 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87087258047) 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, 75464979 + ... + 75466132.

It is an arithmetic number, because the mean of its divisors is an integer number (21809545684).

Almost surely, 2^87087251047 is an apocalyptic number.

87087251047 is a deficient number, since it is larger than the sum of its proper divisors (150931689).

87087251047 is a wasteful number, since it uses less digits than its factorization.

87087251047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 150931688.

The product of its (nonzero) digits is 878080, while the sum is 49.

The spelling of 87087251047 in words is "eighty-seven billion, eighty-seven million, two hundred fifty-one thousand, forty-seven".