881680387477 has 8 divisors (see below), whose sum is σ = 899003248416. Its totient is φ = 864382985232.

The previous prime is 881680387463. The next prime is 881680387543. The reversal of 881680387477 is 774783086188.

881680387477 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-881680387477 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (881680387877) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6294723 + ... + 6433264.

It is an arithmetic number, because the mean of its divisors is an integer number (112375406052).

Almost surely, 2^881680387477 is an apocalyptic number.

It is an amenable number.

881680387477 is a deficient number, since it is larger than the sum of its proper divisors (17322860939).

881680387477 is a wasteful number, since it uses less digits than its factorization.

881680387477 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12729347.

The product of its (nonzero) digits is 101154816, while the sum is 67.

The spelling of 881680387477 in words is "eight hundred eighty-one billion, six hundred eighty million, three hundred eighty-seven thousand, four hundred seventy-seven".