890913120087 has 16 divisors (see below), whose sum is σ = 1188752060672. Its totient is φ = 593508297600.

The previous prime is 890913119969. The next prime is 890913120089. The reversal of 890913120087 is 780021319098.

It is not a de Polignac number, because 890913120087 - 2¹² = 890913115991 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (890913120089) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24601608 + ... + 24637794.

It is an arithmetic number, because the mean of its divisors is an integer number (74297003792).

Almost surely, 2^890913120087 is an apocalyptic number.

890913120087 is a deficient number, since it is larger than the sum of its proper divisors (297838940585).

890913120087 is a wasteful number, since it uses less digits than its factorization.

890913120087 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41958.

The product of its (nonzero) digits is 217728, while the sum is 48.

The spelling of 890913120087 in words is "eight hundred ninety billion, nine hundred thirteen million, one hundred twenty thousand, eighty-seven".