863708061 has 8 divisors (see below), whose sum is σ = 1212221920. Its totient is φ = 545499792.

The previous prime is 863708047. The next prime is 863708063. The reversal of 863708061 is 160807368.

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

It is not a de Polignac number, because 863708061 - 2⁶ = 863707997 is a prime.

It is a super-2 number, since 2×863708061² = 1491983229272759442, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (863708063) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7576330 + ... + 7576443.

It is an arithmetic number, because the mean of its divisors is an integer number (151527740).

Almost surely, 2^863708061 is an apocalyptic number.

It is an amenable number.

863708061 is a deficient number, since it is larger than the sum of its proper divisors (348513859).

863708061 is a wasteful number, since it uses less digits than its factorization.

863708061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15152795.

The product of its (nonzero) digits is 48384, while the sum is 39.

The square root of 863708061 is about 29388.9105105991. The cubic root of 863708061 is about 952.3333449584. Note that the first 4 decimals are identical.

The spelling of 863708061 in words is "eight hundred sixty-three million, seven hundred eight thousand, sixty-one".