98765434345 has 16 divisors (see below), whose sum is σ = 124778868480. Its totient is φ = 74840284800.

The previous prime is 98765434319. The next prime is 98765434349. The reversal of 98765434345 is 54343456789.

98765434345 is an esthetic number in base 10, because in such base its adjacent digits differ by 1.

It is not a de Polignac number, because 98765434345 - 2²⁷ = 98631216617 is a prime.

It is a super-2 number, since 2×98765434345² (a number of 23 digits) contains 22 as substring.

It is an alternating number because its digits alternate between odd and even.

It is a self number, because there is not a number n which added to its sum of digits gives 98765434345.

It is not an unprimeable number, because it can be changed into a prime (98765434349) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 451525 + ... + 633565.

It is an arithmetic number, because the mean of its divisors is an integer number (7798679280).

Almost surely, 2^98765434345 is an apocalyptic number.

98765434345 is a gapful number since it is divisible by the number (95) formed by its first and last digit.

It is an amenable number.

98765434345 is a deficient number, since it is larger than the sum of its proper divisors (26013434135).

98765434345 is a wasteful number, since it uses less digits than its factorization.

98765434345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 187776.

The product of its digits is 43545600, while the sum is 58.

The spelling of 98765434345 in words is "ninety-eight billion, seven hundred sixty-five million, four hundred thirty-four thousand, three hundred forty-five".