890634741722 has 128 divisors (see below), whose sum is σ = 1573807656960. Its totient is φ = 374158794240.

The previous prime is 890634741721. The next prime is 890634741761. The reversal of 890634741722 is 227147436098.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (890634741721) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 334446563 + ... + 334449225.

It is an arithmetic number, because the mean of its divisors is an integer number (12295372320).

Almost surely, 2^890634741722 is an apocalyptic number.

890634741722 is a deficient number, since it is larger than the sum of its proper divisors (683172915238).

890634741722 is a wasteful number, since it uses less digits than its factorization.

890634741722 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2988.

The product of its (nonzero) digits is 4064256, while the sum is 53.

The spelling of 890634741722 in words is "eight hundred ninety billion, six hundred thirty-four million, seven hundred forty-one thousand, seven hundred twenty-two".