89442726739 has 8 divisors (see below), whose sum is σ = 94706689968. Its totient is φ = 84179055360.

The previous prime is 89442726731. The next prime is 89442726743. The reversal of 89442726739 is 93762724498.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 89442726739 - 2³ = 89442726731 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (89442726731) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1067119 + ... + 1147879.

It is an arithmetic number, because the mean of its divisors is an integer number (11838336246).

Almost surely, 2^89442726739 is an apocalyptic number.

89442726739 is a deficient number, since it is larger than the sum of its proper divisors (5263963229).

89442726739 is a wasteful number, since it uses less digits than its factorization.

89442726739 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145925.

The product of its digits is 36578304, while the sum is 61.

The spelling of 89442726739 in words is "eighty-nine billion, four hundred forty-two million, seven hundred twenty-six thousand, seven hundred thirty-nine".