1027878450 has 48 divisors (see below), whose sum is σ = 2608437216. Its totient is φ = 267724800.

The previous prime is 1027878367. The next prime is 1027878457. The reversal of 1027878450 is 548787201.

It is a hoax number, since the sum of its digits (42) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (1027878457) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 73231 + ... + 86130.

It is an arithmetic number, because the mean of its divisors is an integer number (54342442).

Almost surely, 2^1027878450 is an apocalyptic number.

1027878450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1027878450 is an abundant number, since it is smaller than the sum of its proper divisors (1580558766).

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

1027878450 is a wasteful number, since it uses less digits than its factorization.

1027878450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 159419 (or 159414 counting only the distinct ones).

The product of its (nonzero) digits is 125440, while the sum is 42.

The square root of 1027878450 is about 32060.5435075577. The cubic root of 1027878450 is about 1009.2077733553.

The spelling of 1027878450 in words is "one billion, twenty-seven million, eight hundred seventy-eight thousand, four hundred fifty".