86974827 has 8 divisors (see below), whose sum is σ = 119100816. Its totient is φ = 56416032.

The previous prime is 86974819. The next prime is 86974841. The reversal of 86974827 is 72847968.

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

It is not a de Polignac number, because 86974827 - 2³ = 86974819 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 86974827.

It is not an unprimeable number, because it can be changed into a prime (86974897) 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, 391668 + ... + 391889.

It is an arithmetic number, because the mean of its divisors is an integer number (14887602).

Almost surely, 2^86974827 is an apocalyptic number.

86974827 is a deficient number, since it is larger than the sum of its proper divisors (32125989).

86974827 is a wasteful number, since it uses less digits than its factorization.

86974827 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 783597.

The product of its digits is 1354752, while the sum is 51.

The square root of 86974827 is about 9326.0295410212. The cubic root of 86974827 is about 443.0620213565.

The spelling of 86974827 in words is "eighty-six million, nine hundred seventy-four thousand, eight hundred twenty-seven".