86769399 has 16 divisors (see below), whose sum is σ = 118916864. Its totient is φ = 56246400.

The previous prime is 86769391. The next prime is 86769437. The reversal of 86769399 is 99396768.

It is not a de Polignac number, because 86769399 - 2³ = 86769391 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 (86769391) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29694 + ... + 32484.

It is an arithmetic number, because the mean of its divisors is an integer number (7432304).

Almost surely, 2^86769399 is an apocalyptic number.

86769399 is a deficient number, since it is larger than the sum of its proper divisors (32147465).

86769399 is a wasteful number, since it uses less digits than its factorization.

86769399 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3078.

The product of its digits is 4408992, while the sum is 57.

The square root of 86769399 is about 9315.0093397699. The cubic root of 86769399 is about 442.7129199711.

The spelling of 86769399 in words is "eighty-six million, seven hundred sixty-nine thousand, three hundred ninety-nine".