86389390024 has 48 divisors (see below), whose sum is σ = 188757477900. Its totient is φ = 36958860288.

The previous prime is 86389390001. The next prime is 86389390141. The reversal of 86389390024 is 42009398368.

It can be written as a sum of positive squares in 2 ways, for example, as 86329017124 + 60372900 = 293818^2 + 7770^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 29392 + ... + 416704.

Almost surely, 2^86389390024 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 86389390024, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (94378738950).

86389390024 is an abundant number, since it is smaller than the sum of its proper divisors (102368087876).

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

86389390024 is a wasteful number, since it uses less digits than its factorization.

86389390024 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 387902 (or 387891 counting only the distinct ones).

The product of its (nonzero) digits is 2239488, while the sum is 52.

The spelling of 86389390024 in words is "eighty-six billion, three hundred eighty-nine million, three hundred ninety thousand, twenty-four".