90587604121 has 8 divisors (see below), whose sum is σ = 103625545280. Its totient is φ = 77573876688.

The previous prime is 90587604097. The next prime is 90587604137. The reversal of 90587604121 is 12140678509.

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

It is not a de Polignac number, because 90587604121 - 2¹¹ = 90587602073 is a prime.

It is a super-2 number, since 2×90587604121² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (90587601121) 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 7 ways as a sum of consecutive naturals, for example, 6045411 + ... + 6060376.

It is an arithmetic number, because the mean of its divisors is an integer number (12953193160).

Almost surely, 2^90587604121 is an apocalyptic number.

It is an amenable number.

90587604121 is a deficient number, since it is larger than the sum of its proper divisors (13037941159).

90587604121 is a wasteful number, since it uses less digits than its factorization.

90587604121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12106863.

The product of its (nonzero) digits is 120960, while the sum is 43.

The spelling of 90587604121 in words is "ninety billion, five hundred eighty-seven million, six hundred four thousand, one hundred twenty-one".