89376479999 has 4 divisors (see below), whose sum is σ = 93262413936. Its totient is φ = 85490546064.

The previous prime is 89376479977. The next prime is 89376480007. The reversal of 89376479999 is 99997467398.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-89376479999 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 (89376479909) 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, 1942966934 + ... + 1942966979.

It is an arithmetic number, because the mean of its divisors is an integer number (23315603484).

Almost surely, 2^89376479999 is an apocalyptic number.

89376479999 is a deficient number, since it is larger than the sum of its proper divisors (3885933937).

89376479999 is a wasteful number, since it uses less digits than its factorization.

89376479999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3885933936.

The product of its digits is 1666598976, while the sum is 80.

The spelling of 89376479999 in words is "eighty-nine billion, three hundred seventy-six million, four hundred seventy-nine thousand, nine hundred ninety-nine".