8868021542 has 32 divisors (see below), whose sum is σ = 14834368512. Its totient is φ = 3954400384.

The previous prime is 8868021521. The next prime is 8868021557. The reversal of 8868021542 is 2451208688.

It is a junction number, because it is equal to n+sod(n) for n = 8868021493 and 8868021502.

It is a congruent number.

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, 30683 + ... + 136665.

It is an arithmetic number, because the mean of its divisors is an integer number (463574016).

Almost surely, 2^8868021542 is an apocalyptic number.

8868021542 is a deficient number, since it is larger than the sum of its proper divisors (5966346970).

8868021542 is a wasteful number, since it uses less digits than its factorization.

8868021542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106132.

The product of its (nonzero) digits is 245760, while the sum is 44.

The square root of 8868021542 is about 94170.1733140595. The cubic root of 8868021542 is about 2069.8660747135.

The spelling of 8868021542 in words is "eight billion, eight hundred sixty-eight million, twenty-one thousand, five hundred forty-two".