64888296 has 32 divisors (see below), whose sum is σ = 176968800. Its totient is φ = 19663040.

The previous prime is 64888279. The next prime is 64888297. The reversal of 64888296 is 69288846.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (64888297) 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, 122631 + ... + 123158.

It is an arithmetic number, because the mean of its divisors is an integer number (5530275).

Almost surely, 2^64888296 is an apocalyptic number.

64888296 is a gapful number since it is divisible by the number (66) formed by its first and last digit.

It is an amenable number.

64888296 is an abundant number, since it is smaller than the sum of its proper divisors (112080504).

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

64888296 is a wasteful number, since it uses less digits than its factorization.

64888296 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 245809 (or 245805 counting only the distinct ones).

The product of its digits is 1327104, while the sum is 51.

The square root of 64888296 is about 8055.3271814371. The cubic root of 64888296 is about 401.8421201272.

The spelling of 64888296 in words is "sixty-four million, eight hundred eighty-eight thousand, two hundred ninety-six".