86782773052 has 12 divisors (see below), whose sum is σ = 156768880576. Its totient is φ = 41991664320.

The previous prime is 86782772939. The next prime is 86782773067. The reversal of 86782773052 is 25037728768.

It is a hoax number, since the sum of its digits (55) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 86782772984 and 86782773002.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 349930413 + ... + 349930660.

Almost surely, 2^86782773052 is an apocalyptic number.

It is an amenable number.

86782773052 is a deficient number, since it is larger than the sum of its proper divisors (69986107524).

86782773052 is a wasteful number, since it uses less digits than its factorization.

86782773052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 699861108 (or 699861106 counting only the distinct ones).

The product of its (nonzero) digits is 7902720, while the sum is 55.

The spelling of 86782773052 in words is "eighty-six billion, seven hundred eighty-two million, seven hundred seventy-three thousand, fifty-two".