64088397 has 6 divisors (see below), whose sum is σ = 92572142. Its totient is φ = 42725592.

The previous prime is 64088393. The next prime is 64088417. The reversal of 64088397 is 79388046.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 46498761 + 17589636 = 6819^2 + 4194^2 .

It is not a de Polignac number, because 64088397 - 2² = 64088393 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64088393) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3560458 + ... + 3560475.

Almost surely, 2^64088397 is an apocalyptic number.

It is an amenable number.

64088397 is a deficient number, since it is larger than the sum of its proper divisors (28483745).

64088397 is a wasteful number, since it uses less digits than its factorization.

64088397 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7120939 (or 7120936 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 45.

The square root of 64088397 is about 8005.5229060943. The cubic root of 64088397 is about 400.1840756940.

The spelling of 64088397 in words is "sixty-four million, eighty-eight thousand, three hundred ninety-seven".