86974773 has 8 divisors (see below), whose sum is σ = 116073600. Its totient is φ = 57929568.

The previous prime is 86974757. The next prime is 86974793. The reversal of 86974773 is 37747968.

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

It is not a de Polignac number, because 86974773 - 2⁴ = 86974757 is a prime.

It is a super-2 number, since 2×86974773² = 15129222276803058, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86974793) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9453 + ... + 16226.

It is an arithmetic number, because the mean of its divisors is an integer number (14509200).

Almost surely, 2^86974773 is an apocalyptic number.

It is an amenable number.

86974773 is a deficient number, since it is larger than the sum of its proper divisors (29098827).

86974773 is a wasteful number, since it uses less digits than its factorization.

86974773 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26811.

The product of its digits is 1778112, while the sum is 51.

The square root of 86974773 is about 9326.0266458980. The cubic root of 86974773 is about 443.0619296619.

The spelling of 86974773 in words is "eighty-six million, nine hundred seventy-four thousand, seven hundred seventy-three".