7937689145 has 8 divisors (see below), whose sum is σ = 9542149056. Its totient is φ = 6338869936.

The previous prime is 7937689127. The next prime is 7937689163. The reversal of 7937689145 is 5419867397.

It is an interprime number because it is at equal distance from previous prime (7937689127) and next prime (7937689163).

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7937689145 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1407077 + ... + 1412706.

It is an arithmetic number, because the mean of its divisors is an integer number (1192768632).

Almost surely, 2^7937689145 is an apocalyptic number.

It is an amenable number.

7937689145 is a deficient number, since it is larger than the sum of its proper divisors (1604459911).

7937689145 is a wasteful number, since it uses less digits than its factorization.

7937689145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2820351.

The product of its digits is 11430720, while the sum is 59.

The square root of 7937689145 is about 89093.7099070411. The cubic root of 7937689145 is about 1994.7938887113.

The spelling of 7937689145 in words is "seven billion, nine hundred thirty-seven million, six hundred eighty-nine thousand, one hundred forty-five".