8621946487 has 8 divisors (see below), whose sum is σ = 10749439872. Its totient is φ = 6718399800.

The previous prime is 8621946479. The next prime is 8621946499. The reversal of 8621946487 is 7846491268.

It is a happy number.

8621946487 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 8621946487 - 2³ = 8621946479 is a prime.

It is a super-2 number, since 2×8621946487² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8621946187) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 55986589 + ... + 55986742.

It is an arithmetic number, because the mean of its divisors is an integer number (1343679984).

Almost surely, 2^8621946487 is an apocalyptic number.

8621946487 is a deficient number, since it is larger than the sum of its proper divisors (2127493385).

8621946487 is a wasteful number, since it uses less digits than its factorization.

8621946487 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111973349.

The product of its digits is 4644864, while the sum is 55.

The square root of 8621946487 is about 92854.4370883804. The cubic root of 8621946487 is about 2050.5409230510.

The spelling of 8621946487 in words is "eight billion, six hundred twenty-one million, nine hundred forty-six thousand, four hundred eighty-seven".