64089130077 has 24 divisors (see below), whose sum is σ = 105820393536. Its totient is φ = 36614583936.

The previous prime is 64089130043. The next prime is 64089130081. The reversal of 64089130077 is 77003198046.

It is not a de Polignac number, because 64089130077 - 2¹² = 64089125981 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64089130277) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 197878 + ... + 409064.

It is an arithmetic number, because the mean of its divisors is an integer number (4409183064).

Almost surely, 2^64089130077 is an apocalyptic number.

It is an amenable number.

64089130077 is a deficient number, since it is larger than the sum of its proper divisors (41731263459).

64089130077 is a wasteful number, since it uses less digits than its factorization.

64089130077 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 216017 (or 216014 counting only the distinct ones).

The product of its (nonzero) digits is 254016, while the sum is 45.

The spelling of 64089130077 in words is "sixty-four billion, eighty-nine million, one hundred thirty thousand, seventy-seven".