1179427998 has 32 divisors (see below), whose sum is σ = 2706349824. Its totient is φ = 335665152.

The previous prime is 1179427993. The next prime is 1179428009. The reversal of 1179427998 is 8997249711.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1179427993) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 43840 + ... + 65427.

It is an arithmetic number, because the mean of its divisors is an integer number (84573432).

Almost surely, 2^1179427998 is an apocalyptic number.

1179427998 is an abundant number, since it is smaller than the sum of its proper divisors (1526921826).

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

1179427998 is a wasteful number, since it uses less digits than its factorization.

1179427998 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109536.

The product of its digits is 2286144, while the sum is 57.

The square root of 1179427998 is about 34342.8012544114. The cubic root of 1179427998 is about 1056.5510299253.

The spelling of 1179427998 in words is "one billion, one hundred seventy-nine million, four hundred twenty-seven thousand, nine hundred ninety-eight".