830776740 has 72 divisors (see below), whose sum is σ = 2471109312. Its totient is φ = 208504320.

The previous prime is 830776733. The next prime is 830776741. The reversal of 830776740 is 47677038.

It is a junction number, because it is equal to n+sod(n) for n = 830776692 and 830776701.

It is not an unprimeable number, because it can be changed into a prime (830776741) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6616 + ... + 41295.

Almost surely, 2^830776740 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 830776740, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1235554656).

830776740 is an abundant number, since it is smaller than the sum of its proper divisors (1640332572).

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

830776740 is a wasteful number, since it uses less digits than its factorization.

830776740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47957 (or 47938 counting only the distinct ones).

The product of its (nonzero) digits is 197568, while the sum is 42.

The square root of 830776740 is about 28823.1979488744. The cubic root of 830776740 is about 940.0727045018.

The spelling of 830776740 in words is "eight hundred thirty million, seven hundred seventy-six thousand, seven hundred forty".