64227466077 has 16 divisors (see below), whose sum is σ = 86345783040. Its totient is φ = 42464339712.

The previous prime is 64227466049. The next prime is 64227466081. The reversal of 64227466077 is 77066472246.

It is not a de Polignac number, because 64227466077 - 2¹¹ = 64227464029 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64227466577) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 348924 + ... + 500202.

It is an arithmetic number, because the mean of its divisors is an integer number (5396611440).

Almost surely, 2^64227466077 is an apocalyptic number.

It is an amenable number.

64227466077 is a deficient number, since it is larger than the sum of its proper divisors (22118316963).

64227466077 is a wasteful number, since it uses less digits than its factorization.

64227466077 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 152452.

The product of its (nonzero) digits is 4741632, while the sum is 51.

The spelling of 64227466077 in words is "sixty-four billion, two hundred twenty-seven million, four hundred sixty-six thousand, seventy-seven".