86881406740 has 24 divisors (see below), whose sum is σ = 182622960072. Its totient is φ = 34719799680.

The previous prime is 86881406737. The next prime is 86881406827. The reversal of 86881406740 is 4760418868.

It can be written as a sum of positive squares in 4 ways, for example, as 38536830864 + 48344575876 = 196308^2 + 219874^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2025939 + ... + 2068378.

It is an arithmetic number, because the mean of its divisors is an integer number (7609290003).

Almost surely, 2^86881406740 is an apocalyptic number.

It is an amenable number.

86881406740 is an abundant number, since it is smaller than the sum of its proper divisors (95741553332).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

86881406740 is a wasteful number, since it uses less digits than its factorization.

86881406740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4095387 (or 4095385 counting only the distinct ones).

The product of its (nonzero) digits is 2064384, while the sum is 52.

The spelling of 86881406740 in words is "eighty-six billion, eight hundred eighty-one million, four hundred six thousand, seven hundred forty".