289890760122 has 48 divisors (see below), whose sum is σ = 635457331080. Its totient is φ = 95502312576.

The previous prime is 289890760091. The next prime is 289890760127. The reversal of 289890760122 is 221067098982.

289890760122 is a `hidden beast` number, since 2 + 8 + 9 + 8 + 9 + 0 + 7 + 601 + 22 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 214907343561 + 74983416561 = 463581^2 + 273831^2 .

It is a super-2 number, since 2×289890760122² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (289890760127) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 592828 + ... + 965000.

Almost surely, 2^289890760122 is an apocalyptic number.

289890760122 is an abundant number, since it is smaller than the sum of its proper divisors (345566570958).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

289890760122 is a wasteful number, since it uses less digits than its factorization.

289890760122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 372687 (or 372684 counting only the distinct ones).

The product of its (nonzero) digits is 1741824, while the sum is 54.

The spelling of 289890760122 in words is "two hundred eighty-nine billion, eight hundred ninety million, seven hundred sixty thousand, one hundred twenty-two".