785186000749 has 16 divisors (see below), whose sum is σ = 802500461568. Its totient is φ = 768059373312.

The previous prime is 785186000701. The next prime is 785186000771. The reversal of 785186000749 is 947000681587.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-785186000749 is a prime.

It is a super-2 number, since 2×785186000749² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 785186000749.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (785186000149) 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, 10834974 + ... + 10907200.

It is an arithmetic number, because the mean of its divisors is an integer number (50156278848).

Almost surely, 2^785186000749 is an apocalyptic number.

It is an amenable number.

785186000749 is a deficient number, since it is larger than the sum of its proper divisors (17314460819).

785186000749 is a wasteful number, since it uses less digits than its factorization.

785186000749 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73524.

The product of its (nonzero) digits is 3386880, while the sum is 55.

The spelling of 785186000749 in words is "seven hundred eighty-five billion, one hundred eighty-six million, seven hundred forty-nine", and thus it is an aban number.