64537883 has 8 divisors (see below), whose sum is σ = 66723888. Its totient is φ = 62383104.

The previous prime is 64537871. The next prime is 64537897. The reversal of 64537883 is 38873546.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 64537883 - 2⁶ = 64537819 is a prime.

It is a super-3 number, since 3×64537883³ (a number of 24 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (64567883) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3566 + ... + 11907.

It is an arithmetic number, because the mean of its divisors is an integer number (8340486).

Almost surely, 2^64537883 is an apocalyptic number.

64537883 is a deficient number, since it is larger than the sum of its proper divisors (2186005).

64537883 is a wasteful number, since it uses less digits than its factorization.

64537883 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15613.

The product of its digits is 483840, while the sum is 44.

The square root of 64537883 is about 8033.5473484632. The cubic root of 64537883 is about 401.1174648570.

The spelling of 64537883 in words is "sixty-four million, five hundred thirty-seven thousand, eight hundred eighty-three".