87286385387251 has 8 divisors (see below), whose sum is σ = 88391460075200. Its totient is φ = 86181315292800.

The previous prime is 87286385387239. The next prime is 87286385387273. The reversal of 87286385387251 is 15278358368278.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 87286385387251 - 2³⁷ = 87148946433779 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (87286385387281) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 53386201 + ... + 54996901.

It is an arithmetic number, because the mean of its divisors is an integer number (11048932509400).

Almost surely, 2^{87286385387251} is an apocalyptic number.

87286385387251 is a deficient number, since it is larger than the sum of its proper divisors (1105074687949).

87286385387251 is a wasteful number, since it uses less digits than its factorization.

87286385387251 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2296749.

The product of its digits is 1083801600, while the sum is 73.

The spelling of 87286385387251 in words is "eighty-seven trillion, two hundred eighty-six billion, three hundred eighty-five million, three hundred eighty-seven thousand, two hundred fifty-one".