64476797 has 32 divisors (see below), whose sum is σ = 85708800. Its totient is φ = 47992560.

The previous prime is 64476791. The next prime is 64476799. The reversal of 64476797 is 79767446.

It is not a de Polignac number, because 64476797 - 2⁴ = 64476781 is a prime.

It is a Duffinian number.

Its product of digits (1778112) is a multiple of the sum of its prime divisors (784).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64476791) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 86408 + ... + 87150.

It is an arithmetic number, because the mean of its divisors is an integer number (2678400).

Almost surely, 2^64476797 is an apocalyptic number.

It is an amenable number.

64476797 is a deficient number, since it is larger than the sum of its proper divisors (21232003).

64476797 is a wasteful number, since it uses less digits than its factorization.

64476797 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 798 (or 784 counting only the distinct ones).

The product of its digits is 1778112, while the sum is 50.

The square root of 64476797 is about 8029.7445164837. The cubic root of 64476797 is about 400.9908704957.

The spelling of 64476797 in words is "sixty-four million, four hundred seventy-six thousand, seven hundred ninety-seven".