85769331 has 8 divisors (see below), whose sum is σ = 114402000. Its totient is φ = 57158112.

The previous prime is 85769329. The next prime is 85769347. The reversal of 85769331 is 13396758.

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

It is not a de Polignac number, because 85769331 - 2¹ = 85769329 is a prime.

It is a super-2 number, since 2×85769331² = 14712756280375122, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (85769531) 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, 12045 + ... + 17793.

It is an arithmetic number, because the mean of its divisors is an integer number (14300250).

Almost surely, 2^85769331 is an apocalyptic number.

85769331 is a deficient number, since it is larger than the sum of its proper divisors (28632669).

85769331 is a wasteful number, since it uses less digits than its factorization.

85769331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10725.

The product of its digits is 136080, while the sum is 42.

The square root of 85769331 is about 9261.1733057966. The cubic root of 85769331 is about 441.0055017542.

The spelling of 85769331 in words is "eighty-five million, seven hundred sixty-nine thousand, three hundred thirty-one".