63880070 has 32 divisors (see below), whose sum is σ = 117013248. Its totient is φ = 25105888.

The previous prime is 63880043. The next prime is 63880081. The reversal of 63880070 is 7008836.

It is a congruent number.

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, 242759 + ... + 243021.

It is an arithmetic number, because the mean of its divisors is an integer number (3656664).

Almost surely, 2^63880070 is an apocalyptic number.

63880070 is a deficient number, since it is larger than the sum of its proper divisors (53133178).

63880070 is a wasteful number, since it uses less digits than its factorization.

63880070 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 604.

The product of its (nonzero) digits is 8064, while the sum is 32.

The square root of 63880070 is about 7992.5008601814. The cubic root of 63880070 is about 399.7499896029.

It can be divided in two parts, 638 and 80070, that added together give a palindrome (80708).

The spelling of 63880070 in words is "sixty-three million, eight hundred eighty thousand, seventy".