63102078 has 120 divisors (see below), whose sum is σ = 162644328. Its totient is φ = 18172512.

The previous prime is 63102071. The next prime is 63102101. The reversal of 63102078 is 87020136.

63102078 is a `hidden beast` number, since 631 + 0 + 20 + 7 + 8 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63102071) by changing a digit.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 760225 + ... + 760307.

Almost surely, 2^63102078 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 63102078, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (81322164).

63102078 is an abundant number, since it is smaller than the sum of its proper divisors (99542250).

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

63102078 is a wasteful number, since it uses less digits than its factorization.

63102078 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 148 (or 120 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 27.

The square root of 63102078 is about 7943.6816401465. The cubic root of 63102078 is about 398.1205118088.

The spelling of 63102078 in words is "sixty-three million, one hundred two thousand, seventy-eight".