63858134 has 4 divisors (see below), whose sum is σ = 95787204. Its totient is φ = 31929066.

The previous prime is 63858133. The next prime is 63858161. The reversal of 63858134 is 43185836.

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

It is a super-2 number, since 2×63858134² = 8155722555923912, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63858131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15964532 + ... + 15964535.

It is an arithmetic number, because the mean of its divisors is an integer number (23946801).

Almost surely, 2^63858134 is an apocalyptic number.

63858134 is a deficient number, since it is larger than the sum of its proper divisors (31929070).

63858134 is a wasteful number, since it uses less digits than its factorization.

63858134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31929069.

The product of its digits is 69120, while the sum is 38.

The square root of 63858134 is about 7991.1284559817. The cubic root of 63858134 is about 399.7042271833.

The spelling of 63858134 in words is "sixty-three million, eight hundred fifty-eight thousand, one hundred thirty-four".