64776067746 has 16 divisors (see below), whose sum is σ = 139517684544. Its totient is φ = 19931097744.

The previous prime is 64776067663. The next prime is 64776067751.

64776067746 is nontrivially palindromic in base 10.

64776067746 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 64776067746.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 415231126 + ... + 415231281.

It is an arithmetic number, because the mean of its divisors is an integer number (8719855284).

Almost surely, 2^64776067746 is an apocalyptic number.

64776067746 is an abundant number, since it is smaller than the sum of its proper divisors (74741616798).

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

64776067746 is a wasteful number, since it uses less digits than its factorization.

64776067746 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 830462425.

The product of its (nonzero) digits is 49787136, while the sum is 60.

The spelling of 64776067746 in words is "sixty-four billion, seven hundred seventy-six million, sixty-seven thousand, seven hundred forty-six".