7800770046 has 8 divisors (see below), whose sum is σ = 15601540104. Its totient is φ = 2600256680.

The previous prime is 7800770041. The next prime is 7800770077. The reversal of 7800770046 is 6400770087.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

7800770046 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 7800769986 and 7800770013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7800770041) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 650064165 + ... + 650064176.

It is an arithmetic number, because the mean of its divisors is an integer number (1950192513).

Almost surely, 2^7800770046 is an apocalyptic number.

7800770046 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

7800770046 is a wasteful number, since it uses less digits than its factorization.

7800770046 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1300128346.

The product of its (nonzero) digits is 65856, while the sum is 39.

The square root of 7800770046 is about 88321.9680826916. The cubic root of 7800770046 is about 1983.2577433297.

The spelling of 7800770046 in words is "seven billion, eight hundred million, seven hundred seventy thousand, forty-six".