64036477 has 2 divisors, whose sum is σ = 64036478. Its totient is φ = 64036476.

The previous prime is 64036463. The next prime is 64036481. The reversal of 64036477 is 77463046.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 41654116 + 22382361 = 6454^2 + 4731^2 .

It is a cyclic number.

It is not a de Polignac number, because 64036477 - 2¹¹ = 64034429 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (64036447) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32018238 + 32018239.

It is an arithmetic number, because the mean of its divisors is an integer number (32018239).

Almost surely, 2^64036477 is an apocalyptic number.

It is an amenable number.

64036477 is a deficient number, since it is larger than the sum of its proper divisors (1).

64036477 is an equidigital number, since it uses as much as digits as its factorization.

64036477 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 84672, while the sum is 37.

The square root of 64036477 is about 8002.2794877460. The cubic root of 64036477 is about 400.0759793169.

It can be divided in two parts, 6403 and 6477, that added together give a triangular number (12880 = T₁₆₀).

The spelling of 64036477 in words is "sixty-four million, thirty-six thousand, four hundred seventy-seven".