85672577 has 8 divisors (see below), whose sum is σ = 91324800. Its totient is φ = 80134704.

The previous prime is 85672523. The next prime is 85672579. The reversal of 85672577 is 77527658.

It is a happy number.

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

It is not a de Polignac number, because 85672577 - 2¹² = 85668481 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (85672579) 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, 27038 + ... + 30039.

It is an arithmetic number, because the mean of its divisors is an integer number (11415600).

Almost surely, 2^85672577 is an apocalyptic number.

It is an amenable number.

85672577 is a deficient number, since it is larger than the sum of its proper divisors (5652223).

85672577 is a wasteful number, since it uses less digits than its factorization.

85672577 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57175.

The product of its digits is 823200, while the sum is 47.

The square root of 85672577 is about 9255.9481956199. The cubic root of 85672577 is about 440.8396106737.

The spelling of 85672577 in words is "eighty-five million, six hundred seventy-two thousand, five hundred seventy-seven".