90800270234 has 4 divisors (see below), whose sum is σ = 136200405354. Its totient is φ = 45400135116.

The previous prime is 90800270203. The next prime is 90800270293. The reversal of 90800270234 is 43207200809.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 43207200809 = 419 ⋅103119811.

It can be written as a sum of positive squares in only one way, i.e., 46614969025 + 44185301209 = 215905^2 + 210203^2 .

It is a junction number, because it is equal to n+sod(n) for n = 90800270194 and 90800270203.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22700067557 + ... + 22700067560.

Almost surely, 2^90800270234 is an apocalyptic number.

90800270234 is a deficient number, since it is larger than the sum of its proper divisors (45400135120).

90800270234 is a wasteful number, since it uses less digits than its factorization.

90800270234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45400135119.

The product of its (nonzero) digits is 24192, while the sum is 35.

The spelling of 90800270234 in words is "ninety billion, eight hundred million, two hundred seventy thousand, two hundred thirty-four".