89726709860 has 12 divisors (see below), whose sum is σ = 188426090748. Its totient is φ = 35890683936.

The previous prime is 89726709859. The next prime is 89726709883. The reversal of 89726709860 is 6890762798.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 9736163584 + 79990546276 = 98672^2 + 282826^2 .

It is a junction number, because it is equal to n+sod(n) for n = 89726709793 and 89726709802.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2243167727 + ... + 2243167766.

It is an arithmetic number, because the mean of its divisors is an integer number (15702174229).

Almost surely, 2^89726709860 is an apocalyptic number.

It is an amenable number.

89726709860 is an abundant number, since it is smaller than the sum of its proper divisors (98699380888).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

89726709860 is a wasteful number, since it uses less digits than its factorization.

89726709860 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4486335502 (or 4486335500 counting only the distinct ones).

The product of its (nonzero) digits is 18289152, while the sum is 62.

The spelling of 89726709860 in words is "eighty-nine billion, seven hundred twenty-six million, seven hundred nine thousand, eight hundred sixty".