8278061542 has 16 divisors (see below), whose sum is σ = 12880301760. Its totient is φ = 3985406208.

The previous prime is 8278061507. The next prime is 8278061567. The reversal of 8278061542 is 2451608728.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 173163 + ... + 215734.

It is an arithmetic number, because the mean of its divisors is an integer number (805018860).

Almost surely, 2^8278061542 is an apocalyptic number.

8278061542 is a deficient number, since it is larger than the sum of its proper divisors (4602240218).

8278061542 is a wasteful number, since it uses less digits than its factorization.

8278061542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 389295.

The product of its (nonzero) digits is 215040, while the sum is 43.

The square root of 8278061542 is about 90983.8531938497. The cubic root of 8278061542 is about 2022.9083960125.

The spelling of 8278061542 in words is "eight billion, two hundred seventy-eight million, sixty-one thousand, five hundred forty-two".