89208746499 has 4 divisors (see below), whose sum is σ = 118944995336. Its totient is φ = 59472497664.

The previous prime is 89208746483. The next prime is 89208746513. The reversal of 89208746499 is 99464780298.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 89208746499 - 2⁴ = 89208746483 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (89208746699) 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, 14868124414 + ... + 14868124419.

It is an arithmetic number, because the mean of its divisors is an integer number (29736248834).

Almost surely, 2^89208746499 is an apocalyptic number.

89208746499 is a deficient number, since it is larger than the sum of its proper divisors (29736248837).

89208746499 is a wasteful number, since it uses less digits than its factorization.

89208746499 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29736248836.

The product of its (nonzero) digits is 62705664, while the sum is 66.

The spelling of 89208746499 in words is "eighty-nine billion, two hundred eight million, seven hundred forty-six thousand, four hundred ninety-nine".