7872297694 has 8 divisors (see below), whose sum is σ = 11868388488. Its totient is φ = 3916168200.

The previous prime is 7872297691. The next prime is 7872297731. The reversal of 7872297694 is 4967922787.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7872297691) 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, 9989832 + ... + 9990619.

It is an arithmetic number, because the mean of its divisors is an integer number (1483548561).

Almost surely, 2^7872297694 is an apocalyptic number.

7872297694 is a deficient number, since it is larger than the sum of its proper divisors (3996090794).

7872297694 is a wasteful number, since it uses less digits than its factorization.

7872297694 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19980650.

The product of its digits is 21337344, while the sum is 61.

The square root of 7872297694 is about 88725.9696706663. The cubic root of 7872297694 is about 1989.3010090207.

The spelling of 7872297694 in words is "seven billion, eight hundred seventy-two million, two hundred ninety-seven thousand, six hundred ninety-four".