85874537 has 4 divisors (see below), whose sum is σ = 98142336. Its totient is φ = 73606740.

The previous prime is 85874527. The next prime is 85874609. The reversal of 85874537 is 73547858.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 85874537 - 2¹⁴ = 85858153 is a prime.

It is a super-2 number, since 2×85874537² = 14748872209928738, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 85874491 and 85874500.

It is not an unprimeable number, because it can be changed into a prime (85874527) 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, 6133889 + ... + 6133902.

It is an arithmetic number, because the mean of its divisors is an integer number (24535584).

Almost surely, 2^85874537 is an apocalyptic number.

It is an amenable number.

85874537 is a deficient number, since it is larger than the sum of its proper divisors (12267799).

85874537 is a wasteful number, since it uses less digits than its factorization.

85874537 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12267798.

The product of its digits is 940800, while the sum is 47.

The square root of 85874537 is about 9266.8515149429. The cubic root of 85874537 is about 441.1857428225.

The spelling of 85874537 in words is "eighty-five million, eight hundred seventy-four thousand, five hundred thirty-seven".