98765432079 has 4 divisors (see below), whose sum is σ = 131687242776. Its totient is φ = 65843621384.

The previous prime is 98765432063. The next prime is 98765432081. The reversal of 98765432079 is 97023456789.

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 98765432079 - 2⁴ = 98765432063 is a prime.

It is a super-2 number, since 2×98765432079² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (98765432039) 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, 16460905344 + ... + 16460905349.

It is an arithmetic number, because the mean of its divisors is an integer number (32921810694).

Almost surely, 2^98765432079 is an apocalyptic number.

98765432079 is a deficient number, since it is larger than the sum of its proper divisors (32921810697).

98765432079 is a wasteful number, since it uses less digits than its factorization.

98765432079 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32921810696.

The product of its (nonzero) digits is 22861440, while the sum is 60.

The spelling of 98765432079 in words is "ninety-eight billion, seven hundred sixty-five million, four hundred thirty-two thousand, seventy-nine".