8997071607 has 24 divisors (see below), whose sum is σ = 13041428400. Its totient is φ = 5977018368.

The previous prime is 8997071591. The next prime is 8997071623. The reversal of 8997071607 is 7061707998.

It is an interprime number because it is at equal distance from previous prime (8997071591) and next prime (8997071623).

It is not a de Polignac number, because 8997071607 - 2⁴ = 8997071591 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8997071107) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3895369 + ... + 3897677.

It is an arithmetic number, because the mean of its divisors is an integer number (543392850).

Almost surely, 2^8997071607 is an apocalyptic number.

8997071607 is a deficient number, since it is larger than the sum of its proper divisors (4044356793).

8997071607 is a wasteful number, since it uses less digits than its factorization.

8997071607 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3647 (or 3644 counting only the distinct ones).

The product of its (nonzero) digits is 1333584, while the sum is 54.

The square root of 8997071607 is about 94852.8945631076. The cubic root of 8997071607 is about 2079.8581947674.

The spelling of 8997071607 in words is "eight billion, nine hundred ninety-seven million, seventy-one thousand, six hundred seven".