87678886833 has 40 divisors (see below), whose sum is σ = 132715278080. Its totient is φ = 57677780160.

The previous prime is 87678886819. The next prime is 87678886847. The reversal of 87678886833 is 33868887678.

It is an interprime number because it is at equal distance from previous prime (87678886819) and next prime (87678886847).

It is not a de Polignac number, because 87678886833 - 2⁴ = 87678886817 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (87678886033) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 14593116 + ... + 14599122.

It is an arithmetic number, because the mean of its divisors is an integer number (3317881952).

Almost surely, 2^87678886833 is an apocalyptic number.

It is an amenable number.

87678886833 is a deficient number, since it is larger than the sum of its proper divisors (45036391247).

87678886833 is a wasteful number, since it uses less digits than its factorization.

87678886833 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8379 (or 8370 counting only the distinct ones).

The product of its digits is 520224768, while the sum is 72.

The spelling of 87678886833 in words is "eighty-seven billion, six hundred seventy-eight million, eight hundred eighty-six thousand, eight hundred thirty-three".