826934780 has 36 divisors (see below), whose sum is σ = 2020085928. Its totient is φ = 283520160.

The previous prime is 826934767. The next prime is 826934789. The reversal of 826934780 is 87439628.

It is a super-2 number, since 2×826934780² = 1367642260747296800, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (826934789) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 420926 + ... + 422885.

It is an arithmetic number, because the mean of its divisors is an integer number (56113498).

Almost surely, 2^826934780 is an apocalyptic number.

It is an amenable number.

826934780 is an abundant number, since it is smaller than the sum of its proper divisors (1193151148).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

826934780 is a wasteful number, since it uses less digits than its factorization.

826934780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 843834 (or 843825 counting only the distinct ones).

The product of its (nonzero) digits is 580608, while the sum is 47.

The square root of 826934780 is about 28756.4737059327. The cubic root of 826934780 is about 938.6213303765.

The spelling of 826934780 in words is "eight hundred twenty-six million, nine hundred thirty-four thousand, seven hundred eighty".