8142952378 has 32 divisors (see below), whose sum is σ = 13916992320. Its totient is φ = 3540245760.

The previous prime is 8142952357. The next prime is 8142952393. The reversal of 8142952378 is 8732592418.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 36751 + ... + 132802.

It is an arithmetic number, because the mean of its divisors is an integer number (434906010).

Almost surely, 2^8142952378 is an apocalyptic number.

8142952378 is a deficient number, since it is larger than the sum of its proper divisors (5774039942).

8142952378 is a wasteful number, since it uses less digits than its factorization.

8142952378 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 169662.

The product of its digits is 967680, while the sum is 49.

The square root of 8142952378 is about 90238.3088161563. The cubic root of 8142952378 is about 2011.8424380947.

The spelling of 8142952378 in words is "eight billion, one hundred forty-two million, nine hundred fifty-two thousand, three hundred seventy-eight".