85260842 has 4 divisors (see below), whose sum is σ = 127891266. Its totient is φ = 42630420.

The previous prime is 85260823. The next prime is 85260863. The reversal of 85260842 is 24806258.

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

It can be written as a sum of positive squares in only one way, i.e., 84070561 + 1190281 = 9169^2 + 1091^2 .

It is a super-2 number, since 2×85260842² = 14538822357097928, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21315209 + ... + 21315212.

Almost surely, 2^85260842 is an apocalyptic number.

85260842 is a deficient number, since it is larger than the sum of its proper divisors (42630424).

85260842 is a wasteful number, since it uses less digits than its factorization.

85260842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42630423.

The product of its (nonzero) digits is 30720, while the sum is 35.

The square root of 85260842 is about 9233.6797648608. The cubic root of 85260842 is about 440.1322639565.

The spelling of 85260842 in words is "eighty-five million, two hundred sixty thousand, eight hundred forty-two".