85732777 has 8 divisors (see below), whose sum is σ = 92427776. Its totient is φ = 79052112.

The previous prime is 85732741. The next prime is 85732781. The reversal of 85732777 is 77723758.

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 85732777 - 2¹⁹ = 85208489 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (85732177) 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, 11098 + ... + 17164.

It is an arithmetic number, because the mean of its divisors is an integer number (11553472).

Almost surely, 2^85732777 is an apocalyptic number.

It is an amenable number.

85732777 is a deficient number, since it is larger than the sum of its proper divisors (6694999).

85732777 is a wasteful number, since it uses less digits than its factorization.

85732777 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7167.

The product of its digits is 576240, while the sum is 46.

The square root of 85732777 is about 9259.1995874374. The cubic root of 85732777 is about 440.9428421935.

The spelling of 85732777 in words is "eighty-five million, seven hundred thirty-two thousand, seven hundred seventy-seven".