980117628 has 48 divisors (see below), whose sum is σ = 2677403904. Its totient is φ = 273202560.

The previous prime is 980117599. The next prime is 980117639. The reversal of 980117628 is 826711089.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a self number, because there is not a number n which added to its sum of digits gives 980117628.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 138850 + ... + 145737.

It is an arithmetic number, because the mean of its divisors is an integer number (55779248).

Almost surely, 2^980117628 is an apocalyptic number.

It is an amenable number.

980117628 is an abundant number, since it is smaller than the sum of its proper divisors (1697286276).

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

980117628 is a wasteful number, since it uses less digits than its factorization.

980117628 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 284642 (or 284640 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 42.

The square root of 980117628 is about 31306.8303729394. The cubic root of 980117628 is about 993.3281277848.

The spelling of 980117628 in words is "nine hundred eighty million, one hundred seventeen thousand, six hundred twenty-eight".