63462978 has 24 divisors (see below), whose sum is σ = 137660016. Its totient is φ = 21130200.

The previous prime is 63462977. The next prime is 63463009. The reversal of 63462978 is 87926436.

63462978 is a `hidden beast` number, since 634 + 6 + 2 + 9 + 7 + 8 = 666.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (63462977) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 21873 + ... + 24603.

It is an arithmetic number, because the mean of its divisors is an integer number (5735834).

Almost surely, 2^63462978 is an apocalyptic number.

63462978 is an abundant number, since it is smaller than the sum of its proper divisors (74197038).

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

63462978 is a wasteful number, since it uses less digits than its factorization.

63462978 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4030 (or 4027 counting only the distinct ones).

The product of its digits is 435456, while the sum is 45.

The square root of 63462978 is about 7966.3654196880. The cubic root of 63462978 is about 398.8780602368.

The spelling of 63462978 in words is "sixty-three million, four hundred sixty-two thousand, nine hundred seventy-eight".