880091061842 has 4 divisors (see below), whose sum is σ = 1320136592766. Its totient is φ = 440045530920.

The previous prime is 880091061823. The next prime is 880091061853. The reversal of 880091061842 is 248160190088.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 876659562601 + 3431499241 = 936301^2 + 58579^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 220022765459 + ... + 220022765462.

Almost surely, 2^880091061842 is an apocalyptic number.

880091061842 is a deficient number, since it is larger than the sum of its proper divisors (440045530924).

880091061842 is a wasteful number, since it uses less digits than its factorization.

880091061842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 440045530923.

The product of its (nonzero) digits is 221184, while the sum is 47.

The spelling of 880091061842 in words is "eight hundred eighty billion, ninety-one million, sixty-one thousand, eight hundred forty-two".