86779220470 has 16 divisors (see below), whose sum is σ = 156247687440. Its totient is φ = 34701668064.

The previous prime is 86779220447. The next prime is 86779220497. The reversal of 86779220470 is 7402297768.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1216092 + ... + 1285471.

It is an arithmetic number, because the mean of its divisors is an integer number (9765480465).

Almost surely, 2^86779220470 is an apocalyptic number.

86779220470 is a deficient number, since it is larger than the sum of its proper divisors (69468466970).

86779220470 is a wasteful number, since it uses less digits than its factorization.

86779220470 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2505039.

The product of its (nonzero) digits is 2370816, while the sum is 52.

The spelling of 86779220470 in words is "eighty-six billion, seven hundred seventy-nine million, two hundred twenty thousand, four hundred seventy".