85467749 has 2 divisors, whose sum is σ = 85467750. Its totient is φ = 85467748.

The previous prime is 85467737. The next prime is 85467763. The reversal of 85467749 is 94776458.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 73839649 + 11628100 = 8593^2 + 3410^2 .

It is a cyclic number.

It is not a de Polignac number, because 85467749 - 2²⁰ = 84419173 is a prime.

It is a super-2 number, since 2×85467749² = 14609472238254002, which contains 22 as substring.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 85467697 and 85467706.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (85467769) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42733874 + 42733875.

It is an arithmetic number, because the mean of its divisors is an integer number (42733875).

Almost surely, 2^85467749 is an apocalyptic number.

It is an amenable number.

85467749 is a deficient number, since it is larger than the sum of its proper divisors (1).

85467749 is an equidigital number, since it uses as much as digits as its factorization.

85467749 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1693440, while the sum is 50.

The square root of 85467749 is about 9244.8769056164. The cubic root of 85467749 is about 440.4880071015.

The spelling of 85467749 in words is "eighty-five million, four hundred sixty-seven thousand, seven hundred forty-nine".