64477355 has 16 divisors (see below), whose sum is σ = 82296480. Its totient is φ = 48356352.

The previous prime is 64477337. The next prime is 64477363. The reversal of 64477355 is 55377446.

It is a cyclic number.

It is not a de Polignac number, because 64477355 - 2⁶ = 64477291 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5717 + ... + 12713.

It is an arithmetic number, because the mean of its divisors is an integer number (5143530).

Almost surely, 2^64477355 is an apocalyptic number.

64477355 is a deficient number, since it is larger than the sum of its proper divisors (17819125).

64477355 is a wasteful number, since it uses less digits than its factorization.

64477355 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7118.

The product of its digits is 352800, while the sum is 41.

The square root of 64477355 is about 8029.7792622213. The cubic root of 64477355 is about 400.9920272543.

Subtracting from 64477355 its reverse (55377446), we obtain a palindrome (9099909).

The spelling of 64477355 in words is "sixty-four million, four hundred seventy-seven thousand, three hundred fifty-five".