85464877 has 4 divisors (see below), whose sum is σ = 85756860. Its totient is φ = 85172896.

The previous prime is 85464853. The next prime is 85464881. The reversal of 85464877 is 77846458.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 52620516 + 32844361 = 7254^2 + 5731^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-85464877 is a prime.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 85464877.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85464817) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 145552 + ... + 146137.

It is an arithmetic number, because the mean of its divisors is an integer number (21439215).

Almost surely, 2^85464877 is an apocalyptic number.

It is an amenable number.

85464877 is a deficient number, since it is larger than the sum of its proper divisors (291983).

85464877 is a wasteful number, since it uses less digits than its factorization.

85464877 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 291982.

The product of its digits is 1505280, while the sum is 49.

The square root of 85464877 is about 9244.7215750395. The cubic root of 85464877 is about 440.4830730933.

The spelling of 85464877 in words is "eighty-five million, four hundred sixty-four thousand, eight hundred seventy-seven".