834977313 has 6 divisors (see below), whose sum is σ = 1206078354. Its totient is φ = 556651536.

The previous prime is 834977293. The next prime is 834977347. The reversal of 834977313 is 313779438.

834977313 is a `hidden beast` number, since 83 + 497 + 73 + 13 = 666.

It can be written as a sum of positive squares in only one way, i.e., 729648144 + 105329169 = 27012^2 + 10263^2 .

It is not a de Polignac number, because 834977313 - 2⁸ = 834977057 is a prime.

It is a super-2 number, since 2×834977313² = 1394374226449399938, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (834977393) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 46387620 + ... + 46387637.

It is an arithmetic number, because the mean of its divisors is an integer number (201013059).

Almost surely, 2^834977313 is an apocalyptic number.

It is an amenable number.

834977313 is a deficient number, since it is larger than the sum of its proper divisors (371101041).

834977313 is a wasteful number, since it uses less digits than its factorization.

834977313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92775263 (or 92775260 counting only the distinct ones).

The product of its digits is 381024, while the sum is 45.

The square root of 834977313 is about 28895.9739929285. The cubic root of 834977313 is about 941.6544400358.

The spelling of 834977313 in words is "eight hundred thirty-four million, nine hundred seventy-seven thousand, three hundred thirteen".