8628721495 has 16 divisors (see below), whose sum is σ = 10396996992. Its totient is φ = 6874670880.

The previous prime is 8628721483. The next prime is 8628721513. The reversal of 8628721495 is 5941278268.

It is not a de Polignac number, because 8628721495 - 2⁹ = 8628720983 is a prime.

It is a super-3 number, since 3×8628721495³ (a number of 31 digits) contains 333 as substring.

It is a Duffinian number.

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, 1922524 + ... + 1927006.

It is an arithmetic number, because the mean of its divisors is an integer number (649812312).

Almost surely, 2^8628721495 is an apocalyptic number.

8628721495 is a deficient number, since it is larger than the sum of its proper divisors (1768275497).

8628721495 is a wasteful number, since it uses less digits than its factorization.

8628721495 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5982.

The product of its digits is 1935360, while the sum is 52.

The square root of 8628721495 is about 92890.9117998096. The cubic root of 8628721495 is about 2051.0778781318.

The spelling of 8628721495 in words is "eight billion, six hundred twenty-eight million, seven hundred twenty-one thousand, four hundred ninety-five".