63798407 has 4 divisors (see below), whose sum is σ = 63857976. Its totient is φ = 63738840.

The previous prime is 63798391. The next prime is 63798431. The reversal of 63798407 is 70489736.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 63798407 - 2⁴ = 63798391 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63798437) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28148 + ... + 30329.

It is an arithmetic number, because the mean of its divisors is an integer number (15964494).

Almost surely, 2^63798407 is an apocalyptic number.

63798407 is a deficient number, since it is larger than the sum of its proper divisors (59569).

63798407 is a wasteful number, since it uses less digits than its factorization.

63798407 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59568.

The product of its (nonzero) digits is 254016, while the sum is 44.

The square root of 63798407 is about 7987.3905000319. The cubic root of 63798407 is about 399.5795728407.

The spelling of 63798407 in words is "sixty-three million, seven hundred ninety-eight thousand, four hundred seven".