64477607 has 2 divisors, whose sum is σ = 64477608. Its totient is φ = 64477606.

The previous prime is 64477573. The next prime is 64477631. The reversal of 64477607 is 70677446.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 64477607 - 2¹⁰ = 64476583 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (64477657) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32238803 + 32238804.

It is an arithmetic number, because the mean of its divisors is an integer number (32238804).

Almost surely, 2^64477607 is an apocalyptic number.

64477607 is a deficient number, since it is larger than the sum of its proper divisors (1).

64477607 is an equidigital number, since it uses as much as digits as its factorization.

64477607 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 197568, while the sum is 41.

The square root of 64477607 is about 8029.7949537955. The cubic root of 64477607 is about 400.9925496592.

The spelling of 64477607 in words is "sixty-four million, four hundred seventy-seven thousand, six hundred seven".