1878962278 has 4 divisors (see below), whose sum is σ = 2818443420. Its totient is φ = 939481138.

The previous prime is 1878962263. The next prime is 1878962279. The reversal of 1878962278 is 8722698781.

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 (1878962279) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 469740568 + ... + 469740571.

It is an arithmetic number, because the mean of its divisors is an integer number (704610855).

Almost surely, 2^1878962278 is an apocalyptic number.

1878962278 is a deficient number, since it is larger than the sum of its proper divisors (939481142).

1878962278 is an equidigital number, since it uses as much as digits as its factorization.

1878962278 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 939481141.

The product of its digits is 5419008, while the sum is 58.

The square root of 1878962278 is about 43346.9984889381. The cubic root of 1878962278 is about 1233.9740320628.

The spelling of 1878962278 in words is "one billion, eight hundred seventy-eight million, nine hundred sixty-two thousand, two hundred seventy-eight".