80863047 has 6 divisors (see below), whose sum is σ = 116802192. Its totient is φ = 53908692.

The previous prime is 80863039. The next prime is 80863051. The reversal of 80863047 is 74036808.

It is not a de Polignac number, because 80863047 - 2³ = 80863039 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80863087) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4492383 + ... + 4492400.

It is an arithmetic number, because the mean of its divisors is an integer number (19467032).

Almost surely, 2^80863047 is an apocalyptic number.

80863047 is a deficient number, since it is larger than the sum of its proper divisors (35939145).

80863047 is a wasteful number, since it uses less digits than its factorization.

80863047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8984789 (or 8984786 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 36.

The square root of 80863047 is about 8992.3882812076. The cubic root of 80863047 is about 432.4308811773.

The spelling of 80863047 in words is "eighty million, eight hundred sixty-three thousand, forty-seven".