1024779878 has 4 divisors (see below), whose sum is σ = 1537169820. Its totient is φ = 512389938.

The previous prime is 1024779853. The next prime is 1024779883. The reversal of 1024779878 is 8789774201.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 256194968 + ... + 256194971.

It is an arithmetic number, because the mean of its divisors is an integer number (384292455).

Almost surely, 2^1024779878 is an apocalyptic number.

1024779878 is a deficient number, since it is larger than the sum of its proper divisors (512389942).

1024779878 is an equidigital number, since it uses as much as digits as its factorization.

1024779878 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 512389941.

The product of its (nonzero) digits is 1580544, while the sum is 53.

The square root of 1024779878 is about 32012.1832744972. The cubic root of 1024779878 is about 1008.1926564182.

The spelling of 1024779878 in words is "one billion, twenty-four million, seven hundred seventy-nine thousand, eight hundred seventy-eight".