863973051 has 8 divisors (see below), whose sum is σ = 1183098384. Its totient is φ = 560414880.

The previous prime is 863972957. The next prime is 863973053. The reversal of 863973051 is 150379368.

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

It is not a de Polignac number, because 863973051 - 2⁹ = 863972539 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 863972994 and 863973012.

It is not an unprimeable number, because it can be changed into a prime (863973053) 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, 3891660 + ... + 3891881.

It is an arithmetic number, because the mean of its divisors is an integer number (147887298).

Almost surely, 2^863973051 is an apocalyptic number.

863973051 is a deficient number, since it is larger than the sum of its proper divisors (319125333).

863973051 is a wasteful number, since it uses less digits than its factorization.

863973051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7783581.

The product of its (nonzero) digits is 136080, while the sum is 42.

The square root of 863973051 is about 29393.4184980243. The cubic root of 863973051 is about 952.4307285615.

The spelling of 863973051 in words is "eight hundred sixty-three million, nine hundred seventy-three thousand, fifty-one".