8120694234 has 32 divisors (see below), whose sum is σ = 16344095040. Its totient is φ = 2689804800.

The previous prime is 8120694229. The next prime is 8120694277. The reversal of 8120694234 is 4324960218.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 8120694192 and 8120694201.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1964682 + ... + 1968810.

It is an arithmetic number, because the mean of its divisors is an integer number (510752970).

Almost surely, 2^8120694234 is an apocalyptic number.

8120694234 is an abundant number, since it is smaller than the sum of its proper divisors (8223400806).

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

8120694234 is a wasteful number, since it uses less digits than its factorization.

8120694234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6126.

The product of its (nonzero) digits is 82944, while the sum is 39.

The square root of 8120694234 is about 90114.8946290235. The cubic root of 8120694234 is about 2010.0076923544.

The spelling of 8120694234 in words is "eight billion, one hundred twenty million, six hundred ninety-four thousand, two hundred thirty-four".