64260827 has 4 divisors (see below), whose sum is σ = 67054800. Its totient is φ = 61466856.

The previous prime is 64260787. The next prime is 64260829. The reversal of 64260827 is 72806246.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 72806246 = 2 ⋅36403123.

It is not a de Polignac number, because 64260827 - 2¹⁰ = 64259803 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (64260829) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1396952 + ... + 1396997.

It is an arithmetic number, because the mean of its divisors is an integer number (16763700).

Almost surely, 2^64260827 is an apocalyptic number.

64260827 is a deficient number, since it is larger than the sum of its proper divisors (2793973).

64260827 is a wasteful number, since it uses less digits than its factorization.

64260827 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2793972.

The product of its (nonzero) digits is 32256, while the sum is 35.

The square root of 64260827 is about 8016.2851121950. The cubic root of 64260827 is about 400.5426530695.

The spelling of 64260827 in words is "sixty-four million, two hundred sixty thousand, eight hundred twenty-seven".