4178061878 has 4 divisors (see below), whose sum is σ = 6267092820. Its totient is φ = 2089030938.

The previous prime is 4178061869. The next prime is 4178061917. The reversal of 4178061878 is 8781608714.

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, 1044515468 + ... + 1044515471.

It is an arithmetic number, because the mean of its divisors is an integer number (1566773205).

Almost surely, 2^4178061878 is an apocalyptic number.

4178061878 is a deficient number, since it is larger than the sum of its proper divisors (2089030942).

4178061878 is a wasteful number, since it uses less digits than its factorization.

4178061878 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2089030941.

The product of its (nonzero) digits is 602112, while the sum is 50.

The square root of 4178061878 is about 64637.9290973961. The cubic root of 4178061878 is about 1610.6145665054.

The spelling of 4178061878 in words is "four billion, one hundred seventy-eight million, sixty-one thousand, eight hundred seventy-eight".