93689720905 has 16 divisors (see below), whose sum is σ = 122682869568. Its totient is φ = 68118808000.

The previous prime is 93689720897. The next prime is 93689720911. The reversal of 93689720905 is 50902798639.

It is not a de Polignac number, because 93689720905 - 2³ = 93689720897 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 93689720905.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 40891 + ... + 434800.

It is an arithmetic number, because the mean of its divisors is an integer number (7667679348).

Almost surely, 2^93689720905 is an apocalyptic number.

It is an amenable number.

93689720905 is a deficient number, since it is larger than the sum of its proper divisors (28993148663).

93689720905 is a wasteful number, since it uses less digits than its factorization.

93689720905 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 479288.

The product of its (nonzero) digits is 7348320, while the sum is 58.

The spelling of 93689720905 in words is "ninety-three billion, six hundred eighty-nine million, seven hundred twenty thousand, nine hundred five".