85312755 has 96 divisors (see below), whose sum is σ = 174320640. Its totient is φ = 38154240.

The previous prime is 85312753. The next prime is 85312807. The reversal of 85312755 is 55721358.

It is not a de Polignac number, because 85312755 - 2¹ = 85312753 is a prime.

It is not an unprimeable number, because it can be changed into a prime (85312753) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 441939 + ... + 442131.

It is an arithmetic number, because the mean of its divisors is an integer number (1815840).

Almost surely, 2^85312755 is an apocalyptic number.

85312755 is an abundant number, since it is smaller than the sum of its proper divisors (89007885).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

85312755 is a wasteful number, since it uses less digits than its factorization.

85312755 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 281 (or 278 counting only the distinct ones).

The product of its digits is 42000, while the sum is 36.

The square root of 85312755 is about 9236.4904049103. The cubic root of 85312755 is about 440.2215740077.

The spelling of 85312755 in words is "eighty-five million, three hundred twelve thousand, seven hundred fifty-five".