8619727942 has 16 divisors (see below), whose sum is σ = 15286217760. Its totient is φ = 3566783808.

The previous prime is 8619727877. The next prime is 8619727943. The reversal of 8619727942 is 2497279168.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8619727943) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10615023 + ... + 10615834.

It is an arithmetic number, because the mean of its divisors is an integer number (955388610).

Almost surely, 2^8619727942 is an apocalyptic number.

8619727942 is a deficient number, since it is larger than the sum of its proper divisors (6666489818).

8619727942 is a wasteful number, since it uses less digits than its factorization.

8619727942 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21230895.

The product of its digits is 3048192, while the sum is 55.

The square root of 8619727942 is about 92842.4899601470. The cubic root of 8619727942 is about 2050.3650305358.

The spelling of 8619727942 in words is "eight billion, six hundred nineteen million, seven hundred twenty-seven thousand, nine hundred forty-two".