63612479 has 16 divisors (see below), whose sum is σ = 74649600. Its totient is φ = 53075904.

The previous prime is 63612473. The next prime is 63612511. The reversal of 63612479 is 97421636.

It is not a de Polignac number, because 63612479 - 2¹² = 63608383 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 (63612473) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 78227 + ... + 79035.

It is an arithmetic number, because the mean of its divisors is an integer number (4665600).

Almost surely, 2^63612479 is an apocalyptic number.

63612479 is a deficient number, since it is larger than the sum of its proper divisors (11037121).

63612479 is a wasteful number, since it uses less digits than its factorization.

63612479 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1102.

The product of its digits is 54432, while the sum is 38.

The square root of 63612479 is about 7975.7431628658. The cubic root of 63612479 is about 399.1910296035.

The spelling of 63612479 in words is "sixty-three million, six hundred twelve thousand, four hundred seventy-nine".