63790157 has 4 divisors (see below), whose sum is σ = 65847936. Its totient is φ = 61732380.

The previous prime is 63790147. The next prime is 63790187. The reversal of 63790157 is 75109736.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 63790157 - 2⁴ = 63790141 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 63790157.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63790147) 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, 1028843 + ... + 1028904.

It is an arithmetic number, because the mean of its divisors is an integer number (16461984).

Almost surely, 2^63790157 is an apocalyptic number.

It is an amenable number.

63790157 is a deficient number, since it is larger than the sum of its proper divisors (2057779).

63790157 is a wasteful number, since it uses less digits than its factorization.

63790157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2057778.

The product of its (nonzero) digits is 39690, while the sum is 38.

The square root of 63790157 is about 7986.8740443305. The cubic root of 63790157 is about 399.5623484107.

The spelling of 63790157 in words is "sixty-three million, seven hundred ninety thousand, one hundred fifty-seven".