85735739 has 8 divisors (see below), whose sum is σ = 88621440. Its totient is φ = 82857600.

The previous prime is 85735721. The next prime is 85735751. The reversal of 85735739 is 93753758.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 85735739 - 2⁸ = 85735483 is a prime.

It is a super-2 number, since 2×85735739² = 14701233883752242, 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 = 85735693 and 85735702.

It is not an unprimeable number, because it can be changed into a prime (85735759) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29909 + ... + 32649.

It is an arithmetic number, because the mean of its divisors is an integer number (11077680).

Almost surely, 2^85735739 is an apocalyptic number.

85735739 is a deficient number, since it is larger than the sum of its proper divisors (2885701).

85735739 is a wasteful number, since it uses less digits than its factorization.

85735739 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3781.

The product of its digits is 793800, while the sum is 47.

The square root of 85735739 is about 9259.3595350866. The cubic root of 85735739 is about 440.9479202112.

The spelling of 85735739 in words is "eighty-five million, seven hundred thirty-five thousand, seven hundred thirty-nine".