939128977854 has 48 divisors (see below), whose sum is σ = 2082016965600. Its totient is φ = 305844569280.

The previous prime is 939128977817. The next prime is 939128977861. The reversal of 939128977854 is 458779821939.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2706562 + ... + 3033765.

It is an arithmetic number, because the mean of its divisors is an integer number (43375353450).

Almost surely, 2^939128977854 is an apocalyptic number.

939128977854 is an abundant number, since it is smaller than the sum of its proper divisors (1142887987746).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

939128977854 is a wasteful number, since it uses less digits than its factorization.

939128977854 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5740545 (or 5740542 counting only the distinct ones).

The product of its digits is 274337280, while the sum is 72.

The spelling of 939128977854 in words is "nine hundred thirty-nine billion, one hundred twenty-eight million, nine hundred seventy-seven thousand, eight hundred fifty-four".