85794731 has 16 divisors (see below), whose sum is σ = 98431200. Its totient is φ = 74054400.

The previous prime is 85794721. The next prime is 85794769. The reversal of 85794731 is 13749758.

It is a de Polignac number, because none of the positive numbers 2^k-85794731 is a prime.

It is a super-2 number, since 2×85794731² = 14721471734724722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (85794721) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17255 + ... + 21663.

It is an arithmetic number, because the mean of its divisors is an integer number (6151950).

Almost surely, 2^85794731 is an apocalyptic number.

85794731 is a deficient number, since it is larger than the sum of its proper divisors (12636469).

85794731 is a wasteful number, since it uses less digits than its factorization.

85794731 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4510.

The product of its digits is 211680, while the sum is 44.

The square root of 85794731 is about 9262.5445208107. The cubic root of 85794731 is about 441.0490310439.

The spelling of 85794731 in words is "eighty-five million, seven hundred ninety-four thousand, seven hundred thirty-one".