7872028862 has 16 divisors (see below), whose sum is σ = 12011690880. Its totient is φ = 3868171032.

The previous prime is 7872028837. The next prime is 7872028883. The reversal of 7872028862 is 2688202787.

It is a happy number.

It is a super-2 number, since 2×7872028862² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 7872028862.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 514373 + ... + 529455.

It is an arithmetic number, because the mean of its divisors is an integer number (750730680).

Almost surely, 2^7872028862 is an apocalyptic number.

7872028862 is a deficient number, since it is larger than the sum of its proper divisors (4139662018).

7872028862 is a wasteful number, since it uses less digits than its factorization.

7872028862 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19567.

The product of its (nonzero) digits is 1204224, while the sum is 50.

The square root of 7872028862 is about 88724.4547010575. The cubic root of 7872028862 is about 1989.2783644732.

The spelling of 7872028862 in words is "seven billion, eight hundred seventy-two million, twenty-eight thousand, eight hundred sixty-two".