89481515924090 has 32 divisors (see below), whose sum is σ = 171175224514320. Its totient is φ = 33561927844864.

The previous prime is 89481515924083. The next prime is 89481515924113. The reversal of 89481515924090 is 9042951518498.

It is a Cunningham number, because it is equal to 9459467²+1.

It can be written as a sum of positive squares in 8 ways, for example, as 14411126847601 + 75070389076489 = 3796199^2 + 8664317^2 .

It is a super-4 number, since 4×89481515924090⁴ (a number of 57 digits) contains 4444 as substring.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 978322037 + ... + 978413496.

Almost surely, 2^{89481515924090} is an apocalyptic number.

89481515924090 is a deficient number, since it is larger than the sum of its proper divisors (81693708590230).

89481515924090 is a wasteful number, since it uses less digits than its factorization.

89481515924090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1956735826.

The product of its (nonzero) digits is 37324800, while the sum is 65.

The spelling of 89481515924090 in words is "eighty-nine trillion, four hundred eighty-one billion, five hundred fifteen million, nine hundred twenty-four thousand, ninety".