1030879478 has 4 divisors (see below), whose sum is σ = 1546319220. Its totient is φ = 515439738.

The previous prime is 1030879471. The next prime is 1030879489. The reversal of 1030879478 is 8749780301.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 8749780301 = 401 ⋅21819901.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1030879471) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 257719868 + ... + 257719871.

It is an arithmetic number, because the mean of its divisors is an integer number (386579805).

Almost surely, 2^1030879478 is an apocalyptic number.

1030879478 is a deficient number, since it is larger than the sum of its proper divisors (515439742).

1030879478 is an equidigital number, since it uses as much as digits as its factorization.

1030879478 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 515439741.

The product of its (nonzero) digits is 338688, while the sum is 47.

The square root of 1030879478 is about 32107.3119086603. The cubic root of 1030879478 is about 1010.1889911998.

The spelling of 1030879478 in words is "one billion, thirty million, eight hundred seventy-nine thousand, four hundred seventy-eight".