62775343220646 has 128 divisors (see below), whose sum is σ = 146122971079680. Its totient is φ = 17608619261952.

The previous prime is 62775343220621. The next prime is 62775343220771. The reversal of 62775343220646 is 64602234357726.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1124393860 + ... + 1124449688.

It is an arithmetic number, because the mean of its divisors is an integer number (1141585711560).

Almost surely, 2^{62775343220646} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 62775343220646, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (73061485539840).

62775343220646 is an abundant number, since it is smaller than the sum of its proper divisors (83347627859034).

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

62775343220646 is a wasteful number, since it uses less digits than its factorization.

62775343220646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57598.

The product of its (nonzero) digits is 60963840, while the sum is 57.

The spelling of 62775343220646 in words is "sixty-two trillion, seven hundred seventy-five billion, three hundred forty-three million, two hundred twenty thousand, six hundred forty-six".