63078890 has 32 divisors (see below), whose sum is σ = 130222080. Its totient is φ = 21550464.

The previous prime is 63078889. The next prime is 63078901. The reversal of 63078890 is 9887036.

It is a super-4 number, since 4×63078890⁴ (a number of 32 digits) contains 4444 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, 20471 + ... + 23349.

It is an arithmetic number, because the mean of its divisors is an integer number (4069440).

Almost surely, 2^63078890 is an apocalyptic number.

63078890 is an abundant number, since it is smaller than the sum of its proper divisors (67143190).

63078890 is a wasteful number, since it uses less digits than its factorization.

63078890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3206.

The product of its (nonzero) digits is 72576, while the sum is 41.

The square root of 63078890 is about 7942.2219812846. The cubic root of 63078890 is about 398.0717403064.

The spelling of 63078890 in words is "sixty-three million, seventy-eight thousand, eight hundred ninety".