86747863 has 4 divisors (see below), whose sum is σ = 91313560. Its totient is φ = 82182168.

The previous prime is 86747861. The next prime is 86747867. The reversal of 86747863 is 36874768.

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

It is a cyclic number.

It is not a de Polignac number, because 86747863 - 2¹ = 86747861 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86747861) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2282820 + ... + 2282857.

It is an arithmetic number, because the mean of its divisors is an integer number (22828390).

Almost surely, 2^86747863 is an apocalyptic number.

86747863 is a deficient number, since it is larger than the sum of its proper divisors (4565697).

86747863 is a wasteful number, since it uses less digits than its factorization.

86747863 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4565696.

The product of its digits is 1354752, while the sum is 49.

The square root of 86747863 is about 9313.8532842213. The cubic root of 86747863 is about 442.6762901052.

The spelling of 86747863 in words is "eighty-six million, seven hundred forty-seven thousand, eight hundred sixty-three".