63275879 has 4 divisors (see below), whose sum is σ = 63426600. Its totient is φ = 63125160.

The previous prime is 63275873. The next prime is 63275881. The reversal of 63275879 is 97857236.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 63275879 - 2⁸ = 63275623 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 (63275873) 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, 74729 + ... + 75570.

It is an arithmetic number, because the mean of its divisors is an integer number (15856650).

Almost surely, 2^63275879 is an apocalyptic number.

63275879 is a deficient number, since it is larger than the sum of its proper divisors (150721).

63275879 is a wasteful number, since it uses less digits than its factorization.

63275879 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 150720.

The product of its digits is 635040, while the sum is 47.

The square root of 63275879 is about 7954.6136926943. The cubic root of 63275879 is about 398.4856889730.

The spelling of 63275879 in words is "sixty-three million, two hundred seventy-five thousand, eight hundred seventy-nine".