85266477 has 6 divisors (see below), whose sum is σ = 123162702. Its totient is φ = 56844312.

The previous prime is 85266443. The next prime is 85266499. The reversal of 85266477 is 77466258.

It can be written as a sum of positive squares in only one way, i.e., 79762761 + 5503716 = 8931^2 + 2346^2 .

It is not a de Polignac number, because 85266477 - 2¹¹ = 85264429 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85266427) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4737018 + ... + 4737035.

It is an arithmetic number, because the mean of its divisors is an integer number (20527117).

Almost surely, 2^85266477 is an apocalyptic number.

It is an amenable number.

85266477 is a deficient number, since it is larger than the sum of its proper divisors (37896225).

85266477 is a wasteful number, since it uses less digits than its factorization.

85266477 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9474059 (or 9474056 counting only the distinct ones).

The product of its digits is 564480, while the sum is 45.

The square root of 85266477 is about 9233.9848927752. The cubic root of 85266477 is about 440.1419600476.

The spelling of 85266477 in words is "eighty-five million, two hundred sixty-six thousand, four hundred seventy-seven".