64486695 has 96 divisors (see below), whose sum is σ = 137204928. Its totient is φ = 25546752.

The previous prime is 64486693. The next prime is 64486717. The reversal of 64486695 is 59668446.

It is a happy number.

It is not a de Polignac number, because 64486695 - 2¹ = 64486693 is a prime.

It is a plaindrome in base 11.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64486693) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 162237 + ... + 162633.

It is an arithmetic number, because the mean of its divisors is an integer number (1429218).

Almost surely, 2^64486695 is an apocalyptic number.

64486695 is a gapful number since it is divisible by the number (65) formed by its first and last digit.

64486695 is an abundant number, since it is smaller than the sum of its proper divisors (72718233).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

64486695 is a wasteful number, since it uses less digits than its factorization.

64486695 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 449 (or 442 counting only the distinct ones).

The product of its digits is 1244160, while the sum is 48.

The square root of 64486695 is about 8030.3608262643. The cubic root of 64486695 is about 401.0113884946.

The spelling of 64486695 in words is "sixty-four million, four hundred eighty-six thousand, six hundred ninety-five".