85245977 has 8 divisors (see below), whose sum is σ = 86787840. Its totient is φ = 83715840.

The previous prime is 85245967. The next prime is 85245983. The reversal of 85245977 is 77954258.

It is a happy number.

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 85245977 - 2⁴ = 85245961 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (85245907) 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, 12452 + ... + 18042.

It is an arithmetic number, because the mean of its divisors is an integer number (10848480).

Almost surely, 2^85245977 is an apocalyptic number.

It is an amenable number.

85245977 is a deficient number, since it is larger than the sum of its proper divisors (1541863).

85245977 is a wasteful number, since it uses less digits than its factorization.

85245977 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5863.

The product of its digits is 705600, while the sum is 47.

The square root of 85245977 is about 9232.8747960752. The cubic root of 85245977 is about 440.1066838417.

The spelling of 85245977 in words is "eighty-five million, two hundred forty-five thousand, nine hundred seventy-seven".