8437940791 has 8 divisors (see below), whose sum is σ = 9668542464. Its totient is φ = 7213634520.

The previous prime is 8437940773. The next prime is 8437940813. The reversal of 8437940791 is 1970497348.

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

It is a cyclic number.

It is not a de Polignac number, because 8437940791 - 2²⁵ = 8404386359 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8437940491) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1570975 + ... + 1576336.

It is an arithmetic number, because the mean of its divisors is an integer number (1208567808).

Almost surely, 2^8437940791 is an apocalyptic number.

8437940791 is a deficient number, since it is larger than the sum of its proper divisors (1230601673).

8437940791 is a wasteful number, since it uses less digits than its factorization.

8437940791 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3147701.

The product of its (nonzero) digits is 1524096, while the sum is 52.

The square root of 8437940791 is about 91858.2646853292. The cubic root of 8437940791 is about 2035.8486634098.

The spelling of 8437940791 in words is "eight billion, four hundred thirty-seven million, nine hundred forty thousand, seven hundred ninety-one".