63948078 has 12 divisors (see below), whose sum is σ = 138554208. Its totient is φ = 21316020.

The previous prime is 63948077. The next prime is 63948113. The reversal of 63948078 is 87084936.

It is a happy number.

63948078 is a `hidden beast` number, since 639 + 4 + 8 + 0 + 7 + 8 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63948077) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1776318 + ... + 1776353.

It is an arithmetic number, because the mean of its divisors is an integer number (11546184).

Almost surely, 2^63948078 is an apocalyptic number.

63948078 is an abundant number, since it is smaller than the sum of its proper divisors (74606130).

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

63948078 is a wasteful number, since it uses less digits than its factorization.

63948078 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3552679 (or 3552676 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 45.

The square root of 63948078 is about 7996.7542165556. The cubic root of 63948078 is about 399.8917999012.

The spelling of 63948078 in words is "sixty-three million, nine hundred forty-eight thousand, seventy-eight".