63970893 has 24 divisors (see below), whose sum is σ = 105850368. Its totient is φ = 36469152.

The previous prime is 63970877. The next prime is 63970903. The reversal of 63970893 is 39807936.

It is a happy number.

63970893 is a `hidden beast` number, since 639 + 7 + 0 + 8 + 9 + 3 = 666.

63970893 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 63970893 - 2⁴ = 63970877 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63970793) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 34180 + ... + 36002.

It is an arithmetic number, because the mean of its divisors is an integer number (4410432).

Almost surely, 2^63970893 is an apocalyptic number.

63970893 is a gapful number since it is divisible by the number (63) formed by its first and last digit.

It is an amenable number.

63970893 is a deficient number, since it is larger than the sum of its proper divisors (41879475).

63970893 is a wasteful number, since it uses less digits than its factorization.

63970893 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2393 (or 2390 counting only the distinct ones).

The product of its (nonzero) digits is 244944, while the sum is 45.

The square root of 63970893 is about 7998.1806056128. The cubic root of 63970893 is about 399.9393512214.

The spelling of 63970893 in words is "sixty-three million, nine hundred seventy thousand, eight hundred ninety-three".