90922769689 has 64 divisors (see below), whose sum is σ = 106060872960. Its totient is φ = 77396705280.

The previous prime is 90922769671. The next prime is 90922769699. The reversal of 90922769689 is 98696722909.

It is a cyclic number.

It is not a de Polignac number, because 90922769689 - 2¹⁵ = 90922736921 is a prime.

It is not an unprimeable number, because it can be changed into a prime (90922769629) 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, 157578169 + ... + 157578745.

It is an arithmetic number, because the mean of its divisors is an integer number (1657201140).

Almost surely, 2^90922769689 is an apocalyptic number.

It is an amenable number.

90922769689 is a deficient number, since it is larger than the sum of its proper divisors (15138103271).

90922769689 is a wasteful number, since it uses less digits than its factorization.

90922769689 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 890.

The product of its (nonzero) digits is 52907904, while the sum is 67.

The spelling of 90922769689 in words is "ninety billion, nine hundred twenty-two million, seven hundred sixty-nine thousand, six hundred eighty-nine".