90626843843 has 16 divisors (see below), whose sum is σ = 92242644480. Its totient is φ = 89028129696.

The previous prime is 90626843837. The next prime is 90626843861. The reversal of 90626843843 is 34834862609.

It is a cyclic number.

It is not a de Polignac number, because 90626843843 - 2²² = 90622649539 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (90626843863) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7022705 + ... + 7035597.

It is an arithmetic number, because the mean of its divisors is an integer number (5765165280).

Almost surely, 2^90626843843 is an apocalyptic number.

90626843843 is a deficient number, since it is larger than the sum of its proper divisors (1615800637).

90626843843 is a wasteful number, since it uses less digits than its factorization.

90626843843 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13546.

The product of its (nonzero) digits is 5971968, while the sum is 53.

The spelling of 90626843843 in words is "ninety billion, six hundred twenty-six million, eight hundred forty-three thousand, eight hundred forty-three".