7900789682 has 4 divisors (see below), whose sum is σ = 11851184526. Its totient is φ = 3950394840.

The previous prime is 7900789679. The next prime is 7900789691. The reversal of 7900789682 is 2869870097.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 7551436201 + 349353481 = 86899^2 + 18691^2 .

It is a super-2 number, since 2×7900789682² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1975197419 + ... + 1975197422.

Almost surely, 2^7900789682 is an apocalyptic number.

7900789682 is a deficient number, since it is larger than the sum of its proper divisors (3950394844).

7900789682 is a wasteful number, since it uses less digits than its factorization.

7900789682 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3950394843.

The product of its (nonzero) digits is 3048192, while the sum is 56.

The square root of 7900789682 is about 88886.3863704673. The cubic root of 7900789682 is about 1991.6980600791.

The spelling of 7900789682 in words is "seven billion, nine hundred million, seven hundred eighty-nine thousand, six hundred eighty-two".