86375947 has 8 divisors (see below), whose sum is σ = 98789600. Its totient is φ = 73980864.

The previous prime is 86375911. The next prime is 86375969. The reversal of 86375947 is 74957368.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 86375947 - 2²³ = 77987339 is a prime.

It is a super-3 number, since 3×86375947³ (a number of 25 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 86375947.

It is not an unprimeable number, because it can be changed into a prime (86375447) 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, 7429 + ... + 15097.

It is an arithmetic number, because the mean of its divisors is an integer number (12348700).

Almost surely, 2^86375947 is an apocalyptic number.

86375947 is a deficient number, since it is larger than the sum of its proper divisors (12413653).

86375947 is a wasteful number, since it uses less digits than its factorization.

86375947 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9285.

The product of its digits is 1270080, while the sum is 49.

The square root of 86375947 is about 9293.8660954417. The cubic root of 86375947 is about 442.0427519508.

The spelling of 86375947 in words is "eighty-six million, three hundred seventy-five thousand, nine hundred forty-seven".