63348779 has 16 divisors (see below), whose sum is σ = 70877184. Its totient is φ = 56224800.

The previous prime is 63348763. The next prime is 63348787. The reversal of 63348779 is 97784336.

63348779 = T₃₄₇ + T₃₄₈ + ... + T₇₄₉.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 63348779 - 2⁴ = 63348763 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (63348799) 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, 76562 + ... + 77384.

It is an arithmetic number, because the mean of its divisors is an integer number (4429824).

Almost surely, 2^63348779 is an apocalyptic number.

63348779 is a deficient number, since it is larger than the sum of its proper divisors (7528405).

63348779 is a wasteful number, since it uses less digits than its factorization.

63348779 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1058.

The product of its digits is 762048, while the sum is 47.

The square root of 63348779 is about 7959.1946200605. The cubic root of 63348779 is about 398.6386617347.

The spelling of 63348779 in words is "sixty-three million, three hundred forty-eight thousand, seven hundred seventy-nine".