8749091007 has 6 divisors (see below), whose sum is σ = 12637575912. Its totient is φ = 5832727332.

The previous prime is 8749090979. The next prime is 8749091011. The reversal of 8749091007 is 7001909478.

8749091007 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 8749091007 - 2¹² = 8749086911 is a prime.

It is a super-4 number, since 4×8749091007⁴ (a number of 41 digits) contains 4444 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8749091207) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 486060603 + ... + 486060620.

It is an arithmetic number, because the mean of its divisors is an integer number (2106262652).

Almost surely, 2^8749091007 is an apocalyptic number.

8749091007 is a deficient number, since it is larger than the sum of its proper divisors (3888484905).

8749091007 is a wasteful number, since it uses less digits than its factorization.

8749091007 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 972121229 (or 972121226 counting only the distinct ones).

The product of its (nonzero) digits is 127008, while the sum is 45.

The square root of 8749091007 is about 93536.5757711923. The cubic root of 8749091007 is about 2060.5712908715.

The spelling of 8749091007 in words is "eight billion, seven hundred forty-nine million, ninety-one thousand, seven".