785742826 has 16 divisors (see below), whose sum is σ = 1286201088. Its totient is φ = 357033600.

The previous prime is 785742821. The next prime is 785742857. The reversal of 785742826 is 628247587.

It is a super-3 number, since 3×785742826³ (a number of 28 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a self number, because there is not a number n which added to its sum of digits gives 785742826.

It is not an unprimeable number, because it can be changed into a prime (785742821) 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, 102586 + ... + 109978.

It is an arithmetic number, because the mean of its divisors is an integer number (80387568).

Almost surely, 2^785742826 is an apocalyptic number.

785742826 is a deficient number, since it is larger than the sum of its proper divisors (500458262).

785742826 is a wasteful number, since it uses less digits than its factorization.

785742826 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12237.

The product of its digits is 1505280, while the sum is 49.

The square root of 785742826 is about 28031.1046161224. The cubic root of 785742826 is about 922.7700170452.

The spelling of 785742826 in words is "seven hundred eighty-five million, seven hundred forty-two thousand, eight hundred twenty-six".