63314778 has 32 divisors (see below), whose sum is σ = 129124800. Its totient is φ = 20693376.

The previous prime is 63314761. The next prime is 63314809. The reversal of 63314778 is 87741336.

It is a super-2 number, since 2×63314778² = 8017522226378568, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 73800 + ... + 74652.

It is an arithmetic number, because the mean of its divisors is an integer number (4035150).

Almost surely, 2^63314778 is an apocalyptic number.

63314778 is an abundant number, since it is smaller than the sum of its proper divisors (65810022).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

63314778 is a wasteful number, since it uses less digits than its factorization.

63314778 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1086.

The product of its digits is 84672, while the sum is 39.

The square root of 63314778 is about 7957.0583760583. The cubic root of 63314778 is about 398.5673289270.

The spelling of 63314778 in words is "sixty-three million, three hundred fourteen thousand, seven hundred seventy-eight".