887320860247 has 4 divisors (see below), whose sum is σ = 917918131320. Its totient is φ = 856723589176.

The previous prime is 887320860203. The next prime is 887320860253. The reversal of 887320860247 is 742068023788.

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 887320860247 - 2³⁵ = 852961121879 is a prime.

It is a super-2 number, since 2×887320860247² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (887320860847) 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, 15298635493 + ... + 15298635550.

It is an arithmetic number, because the mean of its divisors is an integer number (229479532830).

Almost surely, 2^887320860247 is an apocalyptic number.

887320860247 is a deficient number, since it is larger than the sum of its proper divisors (30597271073).

887320860247 is a wasteful number, since it uses less digits than its factorization.

887320860247 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30597271072.

The product of its (nonzero) digits is 7225344, while the sum is 55.

The spelling of 887320860247 in words is "eight hundred eighty-seven billion, three hundred twenty million, eight hundred sixty thousand, two hundred forty-seven".