830785973 has 2 divisors, whose sum is σ = 830785974. Its totient is φ = 830785972.

The previous prime is 830785933. The next prime is 830785999. The reversal of 830785973 is 379587038.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 767456209 + 63329764 = 27703^2 + 7958^2 .

It is a cyclic number.

It is not a de Polignac number, because 830785973 - 2⁶ = 830785909 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (830785913) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 415392986 + 415392987.

It is an arithmetic number, because the mean of its divisors is an integer number (415392987).

Almost surely, 2^830785973 is an apocalyptic number.

It is an amenable number.

830785973 is a deficient number, since it is larger than the sum of its proper divisors (1).

830785973 is an equidigital number, since it uses as much as digits as its factorization.

830785973 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1270080, while the sum is 50.

The square root of 830785973 is about 28823.3581145570. The cubic root of 830785973 is about 940.0761870496.

The spelling of 830785973 in words is "eight hundred thirty million, seven hundred eighty-five thousand, nine hundred seventy-three".