4378742086 has 8 divisors (see below), whose sum is σ = 6569438904. Its totient is φ = 2188929120.

The previous prime is 4378742063. The next prime is 4378742129. The reversal of 4378742086 is 6802478734.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 208435 + ... + 228478.

It is an arithmetic number, because the mean of its divisors is an integer number (821179863).

Almost surely, 2^4378742086 is an apocalyptic number.

4378742086 is a deficient number, since it is larger than the sum of its proper divisors (2190696818).

4378742086 is a wasteful number, since it uses less digits than its factorization.

4378742086 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 441926.

The product of its (nonzero) digits is 1806336, while the sum is 49.

The square root of 4378742086 is about 66172.0642416420. The cubic root of 4378742086 is about 1635.9993312149. Note that the first 3 decimals are identical.

The spelling of 4378742086 in words is "four billion, three hundred seventy-eight million, seven hundred forty-two thousand, eighty-six".