64483977292 has 24 divisors (see below), whose sum is σ = 128973944736. Its totient is φ = 27634706688.

The previous prime is 64483977223. The next prime is 64483977293. The reversal of 64483977292 is 29277938446.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 64483977292.

It is not an unprimeable number, because it can be changed into a prime (64483977293) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 797898 + ... + 874990.

It is an arithmetic number, because the mean of its divisors is an integer number (5373914364).

Almost surely, 2^64483977292 is an apocalyptic number.

It is an amenable number.

64483977292 is an abundant number, since it is smaller than the sum of its proper divisors (64489967444).

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

64483977292 is a wasteful number, since it uses less digits than its factorization.

64483977292 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106977 (or 106975 counting only the distinct ones).

The product of its digits is 36578304, while the sum is 61.

The spelling of 64483977292 in words is "sixty-four billion, four hundred eighty-three million, nine hundred seventy-seven thousand, two hundred ninety-two".