64225377 has 24 divisors (see below), whose sum is σ = 100301760. Its totient is φ = 39463200.

The previous prime is 64225373. The next prime is 64225387. The reversal of 64225377 is 77352246.

It is a happy number.

64225377 is a `hidden beast` number, since 64 + 225 + 377 = 666.

It is not a de Polignac number, because 64225377 - 2² = 64225373 is a prime.

It is not an unprimeable number, because it can be changed into a prime (64225373) 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, 1252 + ... + 11402.

It is an arithmetic number, because the mean of its divisors is an integer number (4179240).

Almost surely, 2^64225377 is an apocalyptic number.

It is an amenable number.

64225377 is a deficient number, since it is larger than the sum of its proper divisors (36076383).

64225377 is a wasteful number, since it uses less digits than its factorization.

64225377 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10213 (or 10210 counting only the distinct ones).

The product of its digits is 70560, while the sum is 36.

The square root of 64225377 is about 8014.0736832150. The cubic root of 64225377 is about 400.4689853337.

The spelling of 64225377 in words is "sixty-four million, two hundred twenty-five thousand, three hundred seventy-seven".