881857778416 has 20 divisors (see below), whose sum is σ = 1708614338112. Its totient is φ = 440925046016.

The previous prime is 881857778393. The next prime is 881857778471. The reversal of 881857778416 is 614877758188.

881857778416 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2885016 + ... + 3176008.

Almost surely, 2^881857778416 is an apocalyptic number.

It is an amenable number.

881857778416 is a deficient number, since it is larger than the sum of its proper divisors (826756559696).

881857778416 is a wasteful number, since it uses less digits than its factorization.

881857778416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 480408 (or 480402 counting only the distinct ones).

The product of its digits is 168591360, while the sum is 70.

The spelling of 881857778416 in words is "eight hundred eighty-one billion, eight hundred fifty-seven million, seven hundred seventy-eight thousand, four hundred sixteen".