1825473878 has 4 divisors (see below), whose sum is σ = 2738210820. Its totient is φ = 912736938.

The previous prime is 1825473877. The next prime is 1825473931. The reversal of 1825473878 is 8783745281.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1825473877) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 456368468 + ... + 456368471.

It is an arithmetic number, because the mean of its divisors is an integer number (684552705).

Almost surely, 2^1825473878 is an apocalyptic number.

1825473878 is a deficient number, since it is larger than the sum of its proper divisors (912736942).

1825473878 is an equidigital number, since it uses as much as digits as its factorization.

1825473878 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 912736941.

The product of its digits is 3010560, while the sum is 53.

The square root of 1825473878 is about 42725.5646890711. The cubic root of 1825473878 is about 1222.1519571060.

The spelling of 1825473878 in words is "one billion, eight hundred twenty-five million, four hundred seventy-three thousand, eight hundred seventy-eight".