7923894073 has 2 divisors, whose sum is σ = 7923894074. Its totient is φ = 7923894072.

The previous prime is 7923894031. The next prime is 7923894113. The reversal of 7923894073 is 3704983297.

It is a happy number.

7923894073 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7212765184 + 711128889 = 84928^2 + 26667^2 .

It is a cyclic number.

It is not a de Polignac number, because 7923894073 - 2¹³ = 7923885881 is a prime.

It is a super-3 number, since 3×7923894073³ (a number of 31 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 7923894073.

It is not a weakly prime, because it can be changed into another prime (7923894023) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3961947036 + 3961947037.

It is an arithmetic number, because the mean of its divisors is an integer number (3961947037).

Almost surely, 2^7923894073 is an apocalyptic number.

It is an amenable number.

7923894073 is a deficient number, since it is larger than the sum of its proper divisors (1).

7923894073 is an equidigital number, since it uses as much as digits as its factorization.

7923894073 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2286144, while the sum is 52.

The square root of 7923894073 is about 89016.2573522388. The cubic root of 7923894073 is about 1993.6376209454.

The spelling of 7923894073 in words is "seven billion, nine hundred twenty-three million, eight hundred ninety-four thousand, seventy-three".