980611999 has 8 divisors (see below), whose sum is σ = 1009201568. Its totient is φ = 952132320.

The previous prime is 980611997. The next prime is 980612011. The reversal of 980611999 is 999116089.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 980611999 - 2¹ = 980611997 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (980611991) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9192 + ... + 45229.

It is an arithmetic number, because the mean of its divisors is an integer number (126150196).

Almost surely, 2^980611999 is an apocalyptic number.

980611999 is a deficient number, since it is larger than the sum of its proper divisors (28589569).

980611999 is a wasteful number, since it uses less digits than its factorization.

980611999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54945.

The product of its (nonzero) digits is 314928, while the sum is 52.

The square root of 980611999 is about 31314.7249548834. The cubic root of 980611999 is about 993.4951111697.

The spelling of 980611999 in words is "nine hundred eighty million, six hundred eleven thousand, nine hundred ninety-nine".