7983401922 has 12 divisors (see below), whose sum is σ = 17297370870. Its totient is φ = 2661133968.

The previous prime is 7983401863. The next prime is 7983401927. The reversal of 7983401922 is 2291043897.

It can be written as a sum of positive squares in only one way, i.e., 7967169081 + 16232841 = 89259^2 + 4029^2 .

It is not an unprimeable number, because it can be changed into a prime (7983401927) 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, 221761147 + ... + 221761182.

Almost surely, 2^7983401922 is an apocalyptic number.

7983401922 is an abundant number, since it is smaller than the sum of its proper divisors (9313968948).

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

7983401922 is a wasteful number, since it uses less digits than its factorization.

7983401922 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 443522337 (or 443522334 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 45.

The square root of 7983401922 is about 89349.8848460366. The cubic root of 7983401922 is about 1998.6158691452.

The spelling of 7983401922 in words is "seven billion, nine hundred eighty-three million, four hundred one thousand, nine hundred twenty-two".