63831057 has 16 divisors (see below), whose sum is σ = 86381568. Its totient is φ = 41922000.

The previous prime is 63831023. The next prime is 63831109. The reversal of 63831057 is 75013836.

It is a happy number.

It is not a de Polignac number, because 63831057 - 2⁶ = 63830993 is a prime.

It is not an unprimeable number, because it can be changed into a prime (63831457) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 77148 + ... + 77970.

It is an arithmetic number, because the mean of its divisors is an integer number (5398848).

Almost surely, 2^63831057 is an apocalyptic number.

It is an amenable number.

63831057 is a deficient number, since it is larger than the sum of its proper divisors (22550511).

63831057 is a wasteful number, since it uses less digits than its factorization.

63831057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1180.

The product of its (nonzero) digits is 15120, while the sum is 33.

The square root of 63831057 is about 7989.4340850901. The cubic root of 63831057 is about 399.6477252640.

The spelling of 63831057 in words is "sixty-three million, eight hundred thirty-one thousand, fifty-seven".