89078523547 has 8 divisors (see below), whose sum is σ = 96566022560. Its totient is φ = 81681782400.

The previous prime is 89078523539. The next prime is 89078523551. The reversal of 89078523547 is 74532587098.

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 89078523547 - 2³ = 89078523539 is a prime.

It is a super-2 number, since 2×89078523547² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 89078523491 and 89078523500.

It is not an unprimeable number, because it can be changed into a prime (89078523047) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22687422 + ... + 22691347.

It is an arithmetic number, because the mean of its divisors is an integer number (12070752820).

Almost surely, 2^89078523547 is an apocalyptic number.

89078523547 is a deficient number, since it is larger than the sum of its proper divisors (7487499013).

89078523547 is a wasteful number, since it uses less digits than its factorization.

89078523547 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45378933.

The product of its (nonzero) digits is 16934400, while the sum is 58.

The spelling of 89078523547 in words is "eighty-nine billion, seventy-eight million, five hundred twenty-three thousand, five hundred forty-seven".