88538686542 has 48 divisors (see below), whose sum is σ = 192531222000. Its totient is φ = 29405768832.

The previous prime is 88538686541. The next prime is 88538686547. The reversal of 88538686542 is 24568683588.

88538686542 is a `hidden beast` number, since 8 + 8 + 5 + 3 + 8 + 6 + 86 + 542 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 88538686542.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (88538686541) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7128834 + ... + 7141242.

It is an arithmetic number, because the mean of its divisors is an integer number (4011067125).

Almost surely, 2^88538686542 is an apocalyptic number.

88538686542 is an abundant number, since it is smaller than the sum of its proper divisors (103992535458).

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

88538686542 is a wasteful number, since it uses less digits than its factorization.

88538686542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13825 (or 13822 counting only the distinct ones).

The product of its digits is 88473600, while the sum is 63.

The spelling of 88538686542 in words is "eighty-eight billion, five hundred thirty-eight million, six hundred eighty-six thousand, five hundred forty-two".