988773201 has 18 divisors (see below), whose sum is σ = 1546545078. Its totient is φ = 608474880.

The previous prime is 988773199. The next prime is 988773211. The reversal of 988773201 is 102377889.

It can be written as a sum of positive squares in 3 ways, for example, as 26532801 + 962240400 = 5151^2 + 31020^2 .

It is not a de Polignac number, because 988773201 - 2¹ = 988773199 is a prime.

It is not an unprimeable number, because it can be changed into a prime (988773211) 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, 323520 + ... + 326561.

It is an arithmetic number, because the mean of its divisors is an integer number (85919171).

Almost surely, 2^988773201 is an apocalyptic number.

It is an amenable number.

988773201 is a deficient number, since it is larger than the sum of its proper divisors (557771877).

988773201 is a wasteful number, since it uses less digits than its factorization.

988773201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 650113 (or 650097 counting only the distinct ones).

The product of its (nonzero) digits is 169344, while the sum is 45.

The square root of 988773201 is about 31444.7642859666. The cubic root of 988773201 is about 996.2436411022.

The spelling of 988773201 in words is "nine hundred eighty-eight million, seven hundred seventy-three thousand, two hundred one".