632157783 has 8 divisors (see below), whose sum is σ = 879523968. Its totient is φ = 403115064.

The previous prime is 632157781. The next prime is 632157791. The reversal of 632157783 is 387751236.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 632157783 - 2¹ = 632157781 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (632157781) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4580785 + ... + 4580922.

It is an arithmetic number, because the mean of its divisors is an integer number (109940496).

Almost surely, 2^632157783 is an apocalyptic number.

632157783 is a deficient number, since it is larger than the sum of its proper divisors (247366185).

632157783 is a wasteful number, since it uses less digits than its factorization.

632157783 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9161733.

The product of its digits is 211680, while the sum is 42.

The square root of 632157783 is about 25142.7481194877. The cubic root of 632157783 is about 858.2394952514.

The spelling of 632157783 in words is "six hundred thirty-two million, one hundred fifty-seven thousand, seven hundred eighty-three".