64323352077 has 64 divisors (see below), whose sum is σ = 93658521600. Its totient is φ = 39141273600.

The previous prime is 64323351973. The next prime is 64323352111. The reversal of 64323352077 is 77025332346.

It is not a de Polignac number, because 64323352077 - 2⁸ = 64323351821 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64323352777) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 32968452 + ... + 32970402.

It is an arithmetic number, because the mean of its divisors is an integer number (1463414400).

Almost surely, 2^64323352077 is an apocalyptic number.

64323352077 is a gapful number since it is divisible by the number (67) formed by its first and last digit.

It is an amenable number.

64323352077 is a deficient number, since it is larger than the sum of its proper divisors (29335169523).

64323352077 is a wasteful number, since it uses less digits than its factorization.

64323352077 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2226.

The product of its (nonzero) digits is 635040, while the sum is 42.

The spelling of 64323352077 in words is "sixty-four billion, three hundred twenty-three million, three hundred fifty-two thousand, seventy-seven".