980555807 has 18 divisors (see below), whose sum is σ = 1253776104. Its totient is φ = 764064840.

The previous prime is 980555791. The next prime is 980555813. The reversal of 980555807 is 708555089.

980555807 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 980555807 - 2⁴ = 980555791 is a prime.

It is a super-2 number, since 2×980555807² = 1922979381282842498, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (980555887) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 76763 + ... + 88620.

It is an arithmetic number, because the mean of its divisors is an integer number (69654228).

Almost surely, 2^980555807 is an apocalyptic number.

980555807 is a deficient number, since it is larger than the sum of its proper divisors (273220297).

980555807 is a wasteful number, since it uses less digits than its factorization.

980555807 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 165419 (or 165401 counting only the distinct ones).

The product of its (nonzero) digits is 504000, while the sum is 47.

The square root of 980555807 is about 31313.8277283375. The cubic root of 980555807 is about 993.4761340602.

The spelling of 980555807 in words is "nine hundred eighty million, five hundred fifty-five thousand, eight hundred seven".