89570547138 has 64 divisors (see below), whose sum is σ = 192261444480. Its totient is φ = 27719442432.

The previous prime is 89570547113. The next prime is 89570547139. The reversal of 89570547138 is 83174507598.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (89570547139) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3919381 + ... + 3942167.

It is an arithmetic number, because the mean of its divisors is an integer number (3004085070).

Almost surely, 2^89570547138 is an apocalyptic number.

89570547138 is an abundant number, since it is smaller than the sum of its proper divisors (102690897342).

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

89570547138 is a wasteful number, since it uses less digits than its factorization.

89570547138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23331.

The product of its (nonzero) digits is 8467200, while the sum is 57.

The spelling of 89570547138 in words is "eighty-nine billion, five hundred seventy million, five hundred forty-seven thousand, one hundred thirty-eight".