980133786 has 24 divisors (see below), whose sum is σ = 2144244960. Its totient is φ = 323538696.

The previous prime is 980133779. The next prime is 980133797. The reversal of 980133786 is 687331089.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 262476 + ... + 266183.

It is an arithmetic number, because the mean of its divisors is an integer number (89343540).

Almost surely, 2^980133786 is an apocalyptic number.

980133786 is an abundant number, since it is smaller than the sum of its proper divisors (1164111174).

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

980133786 is a wasteful number, since it uses less digits than its factorization.

980133786 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 528770 (or 528767 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 45.

The square root of 980133786 is about 31307.0884305775. The cubic root of 980133786 is about 993.3335863499. Note that the first 3 decimals are identical.

The spelling of 980133786 in words is "nine hundred eighty million, one hundred thirty-three thousand, seven hundred eighty-six".