881980654 has 16 divisors (see below), whose sum is σ = 1400422320. Its totient is φ = 415880640.

The previous prime is 881980613. The next prime is 881980663. The reversal of 881980654 is 456089188.

It is a junction number, because it is equal to n+sod(n) for n = 881980598 and 881980607.

It is a congruent number.

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 in 7 ways as a sum of consecutive naturals, for example, 174327 + ... + 179314.

It is an arithmetic number, because the mean of its divisors is an integer number (87526395).

Almost surely, 2^881980654 is an apocalyptic number.

881980654 is a deficient number, since it is larger than the sum of its proper divisors (518441666).

881980654 is a wasteful number, since it uses less digits than its factorization.

881980654 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 353715.

The product of its (nonzero) digits is 552960, while the sum is 49.

The square root of 881980654 is about 29698.1591011968. The cubic root of 881980654 is about 959.0023830668.

The spelling of 881980654 in words is "eight hundred eighty-one million, nine hundred eighty thousand, six hundred fifty-four".