63079961 has 8 divisors (see below), whose sum is σ = 75225984. Its totient is φ = 51717600.

The previous prime is 63079949. The next prime is 63079993. The reversal of 63079961 is 16997036.

63079961 = T₄₅₈ + T₄₅₉ + ... + T₇₇₉.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-63079961 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (63019961) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 195740 + ... + 196061.

It is an arithmetic number, because the mean of its divisors is an integer number (9403248).

Almost surely, 2^63079961 is an apocalyptic number.

It is an amenable number.

63079961 is a deficient number, since it is larger than the sum of its proper divisors (12146023).

63079961 is a wasteful number, since it uses less digits than its factorization.

63079961 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 391831.

The product of its (nonzero) digits is 61236, while the sum is 41.

The square root of 63079961 is about 7942.2894054548. The cubic root of 63079961 is about 398.0739932124.

The spelling of 63079961 in words is "sixty-three million, seventy-nine thousand, nine hundred sixty-one".