8434997007 has 4 divisors (see below), whose sum is σ = 11246662680. Its totient is φ = 5623331336.

The previous prime is 8434996993. The next prime is 8434997017. The reversal of 8434997007 is 7007994348.

It is a happy number.

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 8434997007 - 2⁶ = 8434996943 is a prime.

It is a super-2 number, since 2×8434997007² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8434997017) 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, 1405832832 + ... + 1405832837.

It is an arithmetic number, because the mean of its divisors is an integer number (2811665670).

Almost surely, 2^8434997007 is an apocalyptic number.

8434997007 is a deficient number, since it is larger than the sum of its proper divisors (2811665673).

8434997007 is a wasteful number, since it uses less digits than its factorization.

8434997007 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2811665672.

The product of its (nonzero) digits is 1524096, while the sum is 51.

The square root of 8434997007 is about 91842.2397756065. The cubic root of 8434997007 is about 2035.6118838466.

The spelling of 8434997007 in words is "eight billion, four hundred thirty-four million, nine hundred ninety-seven thousand, seven".