833780772 has 36 divisors (see below), whose sum is σ = 2299214736. Its totient is φ = 252660720.

The previous prime is 833780771. The next prime is 833780807. The reversal of 833780772 is 277087338.

It is a tau number, because it is divible by the number of its divisors (36).

It is not an unprimeable number, because it can be changed into a prime (833780771) 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, 1052358 + ... + 1053149.

It is an arithmetic number, because the mean of its divisors is an integer number (63867076).

Almost surely, 2^833780772 is an apocalyptic number.

It is an amenable number.

833780772 is an abundant number, since it is smaller than the sum of its proper divisors (1465433964).

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

833780772 is a wasteful number, since it uses less digits than its factorization.

833780772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2105528 (or 2105523 counting only the distinct ones).

The product of its (nonzero) digits is 395136, while the sum is 45.

The square root of 833780772 is about 28875.2622845231. The cubic root of 833780772 is about 941.2044211090.

The spelling of 833780772 in words is "eight hundred thirty-three million, seven hundred eighty thousand, seven hundred seventy-two".