89837722405 has 8 divisors (see below), whose sum is σ = 107834417784. Its totient is φ = 71850744000.

The previous prime is 89837722393. The next prime is 89837722409. The reversal of 89837722405 is 50422773898.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 249450436 + 89588271969 = 15794^2 + 299313^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 89837722405 - 2⁹ = 89837721893 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 (89837722409) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2408886 + ... + 2445895.

It is an arithmetic number, because the mean of its divisors is an integer number (13479302223).

Almost surely, 2^89837722405 is an apocalyptic number.

It is an amenable number.

89837722405 is a deficient number, since it is larger than the sum of its proper divisors (17996695379).

89837722405 is a wasteful number, since it uses less digits than its factorization.

89837722405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4858487.

The product of its (nonzero) digits is 6773760, while the sum is 55.

The spelling of 89837722405 in words is "eighty-nine billion, eight hundred thirty-seven million, seven hundred twenty-two thousand, four hundred five".