7986398023 has 8 divisors (see below), whose sum is σ = 8469902592. Its totient is φ = 7504417536.

The previous prime is 7986397997. The next prime is 7986398027. The reversal of 7986398023 is 3208936897.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7986398023 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7986398027) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 370215 + ... + 391192.

It is an arithmetic number, because the mean of its divisors is an integer number (1058737824).

Almost surely, 2^7986398023 is an apocalyptic number.

7986398023 is a deficient number, since it is larger than the sum of its proper divisors (483504569).

7986398023 is a wasteful number, since it uses less digits than its factorization.

7986398023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 762041.

The product of its (nonzero) digits is 3919104, while the sum is 55.

The square root of 7986398023 is about 89366.6493889079. The cubic root of 7986398023 is about 1998.8658589002.

The spelling of 7986398023 in words is "seven billion, nine hundred eighty-six million, three hundred ninety-eight thousand, twenty-three".