7912712039 has 4 divisors (see below), whose sum is σ = 7930736880. Its totient is φ = 7894687200.

The previous prime is 7912712023. The next prime is 7912712063. The reversal of 7912712039 is 9302172197.

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

It is a cyclic number.

It is not a de Polignac number, because 7912712039 - 2⁴ = 7912712023 is a prime.

It is a super-2 number, since 2×7912712039² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 7912711987 and 7912712005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7912712069) 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, 9011762 + ... + 9012639.

It is an arithmetic number, because the mean of its divisors is an integer number (1982684220).

Almost surely, 2^7912712039 is an apocalyptic number.

7912712039 is a deficient number, since it is larger than the sum of its proper divisors (18024841).

7912712039 is a wasteful number, since it uses less digits than its factorization.

7912712039 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18024840.

The product of its (nonzero) digits is 47628, while the sum is 41.

The square root of 7912712039 is about 88953.4262353059. The cubic root of 7912712039 is about 1992.6993861953.

The spelling of 7912712039 in words is "seven billion, nine hundred twelve million, seven hundred twelve thousand, thirty-nine".