928880450831 has 4 divisors (see below), whose sum is σ = 929202199632. Its totient is φ = 928558702032.

The previous prime is 928880450803. The next prime is 928880450833. The reversal of 928880450831 is 138054088829.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 928880450831 - 2²² = 928876256527 is a prime.

It is a super-2 number, since 2×928880450831² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (928880450833) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 160870070 + ... + 160875843.

It is an arithmetic number, because the mean of its divisors is an integer number (232300549908).

Almost surely, 2^928880450831 is an apocalyptic number.

928880450831 is a deficient number, since it is larger than the sum of its proper divisors (321748801).

928880450831 is a wasteful number, since it uses less digits than its factorization.

928880450831 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 321748800.

The product of its (nonzero) digits is 4423680, while the sum is 56.

The spelling of 928880450831 in words is "nine hundred twenty-eight billion, eight hundred eighty million, four hundred fifty thousand, eight hundred thirty-one".