64077061 has 2 divisors, whose sum is σ = 64077062. Its totient is φ = 64077060.

The previous prime is 64076983. The next prime is 64077071. The reversal of 64077061 is 16077046.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 60746436 + 3330625 = 7794^2 + 1825^2 .

It is a cyclic number.

It is not a de Polignac number, because 64077061 - 2⁹ = 64076549 is a prime.

It is a super-3 number, since 3×64077061³ (a number of 24 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (64077071) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32038530 + 32038531.

It is an arithmetic number, because the mean of its divisors is an integer number (32038531).

Almost surely, 2^64077061 is an apocalyptic number.

It is an amenable number.

64077061 is a deficient number, since it is larger than the sum of its proper divisors (1).

64077061 is an equidigital number, since it uses as much as digits as its factorization.

64077061 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7056, while the sum is 31.

The square root of 64077061 is about 8004.8148635681. The cubic root of 64077061 is about 400.1604793573.

The spelling of 64077061 in words is "sixty-four million, seventy-seven thousand, sixty-one".