87831438245 has 16 divisors (see below), whose sum is σ = 106409168640. Its totient is φ = 69591777024.

The previous prime is 87831438239. The next prime is 87831438271. The reversal of 87831438245 is 54283413878.

It is a cyclic number.

It is not a de Polignac number, because 87831438245 - 2¹² = 87831434149 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 715496 + ... + 829214.

It is an arithmetic number, because the mean of its divisors is an integer number (6650573040).

Almost surely, 2^87831438245 is an apocalyptic number.

It is an amenable number.

87831438245 is a deficient number, since it is larger than the sum of its proper divisors (18577730395).

87831438245 is a wasteful number, since it uses less digits than its factorization.

87831438245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115204.

The product of its digits is 5160960, while the sum is 53.

The spelling of 87831438245 in words is "eighty-seven billion, eight hundred thirty-one million, four hundred thirty-eight thousand, two hundred forty-five".