86797239 has 8 divisors (see below), whose sum is σ = 120761472. Its totient is φ = 55348920.

The previous prime is 86797237. The next prime is 86797253. The reversal of 86797239 is 93279768.

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

It is not a de Polignac number, because 86797239 - 2¹ = 86797237 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 86797191 and 86797200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86797237) 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, 628897 + ... + 629034.

It is an arithmetic number, because the mean of its divisors is an integer number (15095184).

Almost surely, 2^86797239 is an apocalyptic number.

86797239 is a deficient number, since it is larger than the sum of its proper divisors (33964233).

86797239 is a wasteful number, since it uses less digits than its factorization.

86797239 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1257957.

The product of its digits is 1143072, while the sum is 51.

The square root of 86797239 is about 9316.5035823532. The cubic root of 86797239 is about 442.7602631200.

The spelling of 86797239 in words is "eighty-six million, seven hundred ninety-seven thousand, two hundred thirty-nine".