8028621694 has 4 divisors (see below), whose sum is σ = 12042932544. Its totient is φ = 4014310846.

The previous prime is 8028621691. The next prime is 8028621697. The reversal of 8028621694 is 4961268208.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (8028621691) and next prime (8028621697).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8028621691) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2007155422 + ... + 2007155425.

It is an arithmetic number, because the mean of its divisors is an integer number (3010733136).

Almost surely, 2^8028621694 is an apocalyptic number.

8028621694 is a deficient number, since it is larger than the sum of its proper divisors (4014310850).

8028621694 is a wasteful number, since it uses less digits than its factorization.

8028621694 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4014310849.

The product of its (nonzero) digits is 331776, while the sum is 46.

The square root of 8028621694 is about 89602.5763803698. The cubic root of 8028621694 is about 2002.3823023577.

The spelling of 8028621694 in words is "eight billion, twenty-eight million, six hundred twenty-one thousand, six hundred ninety-four".