85260279 has 32 divisors (see below), whose sum is σ = 127346688. Its totient is φ = 50400000.

The previous prime is 85260269. The next prime is 85260281. The reversal of 85260279 is 97206258.

It is a happy number.

It is not a de Polignac number, because 85260279 - 2⁸ = 85260023 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85260229) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 113154 + ... + 113904.

It is an arithmetic number, because the mean of its divisors is an integer number (3979584).

Almost surely, 2^85260279 is an apocalyptic number.

85260279 is a deficient number, since it is larger than the sum of its proper divisors (42086409).

85260279 is a wasteful number, since it uses less digits than its factorization.

85260279 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 879.

The product of its (nonzero) digits is 60480, while the sum is 39.

The square root of 85260279 is about 9233.6492785897. The cubic root of 85260279 is about 440.1312951843.

The spelling of 85260279 in words is "eighty-five million, two hundred sixty thousand, two hundred seventy-nine".