86744032452 has 144 divisors (see below), whose sum is σ = 273493514112. Its totient is φ = 22521162240.

The previous prime is 86744032439. The next prime is 86744032471. The reversal of 86744032452 is 25423044768.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 86744032398 and 86744032407.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 8180418 + ... + 8191014.

Almost surely, 2^86744032452 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 86744032452, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (136746757056).

86744032452 is an abundant number, since it is smaller than the sum of its proper divisors (186749481660).

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

86744032452 is a wasteful number, since it uses less digits than its factorization.

86744032452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13578 (or 13573 counting only the distinct ones).

The product of its (nonzero) digits is 1290240, while the sum is 45.

The spelling of 86744032452 in words is "eighty-six billion, seven hundred forty-four million, thirty-two thousand, four hundred fifty-two".