64848997 has 2 divisors, whose sum is σ = 64848998. Its totient is φ = 64848996.

The previous prime is 64848991. The next prime is 64849009. The reversal of 64848997 is 79984846.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 33477796 + 31371201 = 5786^2 + 5601^2 .

It is a cyclic number.

It is not a de Polignac number, because 64848997 - 2³ = 64848989 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (64848991) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32424498 + 32424499.

It is an arithmetic number, because the mean of its divisors is an integer number (32424499).

Almost surely, 2^64848997 is an apocalyptic number.

It is an amenable number.

64848997 is a deficient number, since it is larger than the sum of its proper divisors (1).

64848997 is an equidigital number, since it uses as much as digits as its factorization.

64848997 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3483648, while the sum is 55.

The square root of 64848997 is about 8052.8874945575. The cubic root of 64848997 is about 401.7609797490.

The spelling of 64848997 in words is "sixty-four million, eight hundred forty-eight thousand, nine hundred ninety-seven".