86780421262 has 32 divisors (see below), whose sum is σ = 137935100160. Its totient is φ = 40862543040.

The previous prime is 86780421197. The next prime is 86780421337. The reversal of 86780421262 is 26212408768.

It is a Harshad number since it is a multiple of its sum of digits (46).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1894789 + ... + 1940047.

It is an arithmetic number, because the mean of its divisors is an integer number (4310471880).

Almost surely, 2^86780421262 is an apocalyptic number.

86780421262 is a deficient number, since it is larger than the sum of its proper divisors (51154678898).

86780421262 is a wasteful number, since it uses less digits than its factorization.

86780421262 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45928.

The product of its (nonzero) digits is 516096, while the sum is 46.

The spelling of 86780421262 in words is "eighty-six billion, seven hundred eighty million, four hundred twenty-one thousand, two hundred sixty-two".