63134779 has 4 divisors (see below), whose sum is σ = 64204920. Its totient is φ = 62064640.

The previous prime is 63134767. The next prime is 63134801. The reversal of 63134779 is 97743136.

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 63134779 - 2²⁵ = 29580347 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (63134749) 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, 534982 + ... + 535099.

It is an arithmetic number, because the mean of its divisors is an integer number (16051230).

Almost surely, 2^63134779 is an apocalyptic number.

63134779 is a deficient number, since it is larger than the sum of its proper divisors (1070141).

63134779 is a wasteful number, since it uses less digits than its factorization.

63134779 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1070140.

The product of its digits is 95256, while the sum is 40.

The square root of 63134779 is about 7945.7396760780. The cubic root of 63134779 is about 398.1892717768.

The spelling of 63134779 in words is "sixty-three million, one hundred thirty-four thousand, seven hundred seventy-nine".