86558650542 has 256 divisors, whose sum is σ = 253174118400. Its totient is φ = 21270988800.

The previous prime is 86558650487. The next prime is 86558650571. The reversal of 86558650542 is 24505685568.

It is a happy number.

86558650542 is a `hidden beast` number, since 8 + 6 + 5 + 586 + 5 + 0 + 54 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 8432209 + ... + 8442467.

It is an arithmetic number, because the mean of its divisors is an integer number (988961400).

Almost surely, 2^86558650542 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 86558650542, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (126587059200).

86558650542 is an abundant number, since it is smaller than the sum of its proper divisors (166615467858).

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

86558650542 is a wasteful number, since it uses less digits than its factorization.

86558650542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10408 (or 10402 counting only the distinct ones).

The product of its (nonzero) digits is 11520000, while the sum is 54.

The spelling of 86558650542 in words is "eighty-six billion, five hundred fifty-eight million, six hundred fifty thousand, five hundred forty-two".