64786222710 has 256 divisors, whose sum is σ = 193534064640. Its totient is φ = 15480460800.

The previous prime is 64786222679. The next prime is 64786222723. The reversal of 64786222710 is 1722268746.

It is a happy number.

64786222710 is a `hidden beast` number, since 6 + 4 + 7 + 8 + 622 + 2 + 7 + 10 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 17078574 + ... + 17082366.

It is an arithmetic number, because the mean of its divisors is an integer number (755992440).

Almost surely, 2^64786222710 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 64786222710, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (96767032320).

64786222710 is an abundant number, since it is smaller than the sum of its proper divisors (128747841930).

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

64786222710 is a wasteful number, since it uses less digits than its factorization.

64786222710 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3903 (or 3885 counting only the distinct ones).

The product of its (nonzero) digits is 451584, while the sum is 45.

It can be divided in two parts, 64786 and 222710, that added together give a cube (287496 = 66³).

The spelling of 64786222710 in words is "sixty-four billion, seven hundred eighty-six million, two hundred twenty-two thousand, seven hundred ten".