64853607 has 24 divisors (see below), whose sum is σ = 108330096. Its totient is φ = 34207488.

The previous prime is 64853603. The next prime is 64853617. The reversal of 64853607 is 70635846.

It is not a de Polignac number, because 64853607 - 2² = 64853603 is a prime.

It is a hoax number, since the sum of its digits (39) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64853603) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 15058 + ... + 18879.

It is an arithmetic number, because the mean of its divisors is an integer number (4513754).

Almost surely, 2^64853607 is an apocalyptic number.

64853607 is a deficient number, since it is larger than the sum of its proper divisors (43476489).

64853607 is a wasteful number, since it uses less digits than its factorization.

64853607 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33967 (or 33960 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 39.

The square root of 64853607 is about 8053.1737222042. The cubic root of 64853607 is about 401.7704996815.

The spelling of 64853607 in words is "sixty-four million, eight hundred fifty-three thousand, six hundred seven".