64022377 has 2 divisors, whose sum is σ = 64022378. Its totient is φ = 64022376.

The previous prime is 64022369. The next prime is 64022407. The reversal of 64022377 is 77322046.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 62394201 + 1628176 = 7899^2 + 1276^2 .

It is a cyclic number.

It is not a de Polignac number, because 64022377 - 2³ = 64022369 is a prime.

It is not a weakly prime, because it can be changed into another prime (64022177) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32011188 + 32011189.

It is an arithmetic number, because the mean of its divisors is an integer number (32011189).

Almost surely, 2^64022377 is an apocalyptic number.

It is an amenable number.

64022377 is a deficient number, since it is larger than the sum of its proper divisors (1).

64022377 is an equidigital number, since it uses as much as digits as its factorization.

64022377 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 14112, while the sum is 31.

The square root of 64022377 is about 8001.3984402728. The cubic root of 64022377 is about 400.0466133178.

The spelling of 64022377 in words is "sixty-four million, twenty-two thousand, three hundred seventy-seven".