8621916475 has 6 divisors (see below), whose sum is σ = 10691176460. Its totient is φ = 6897533160.

The previous prime is 8621916451. The next prime is 8621916487. The reversal of 8621916475 is 5746191268.

It is a happy number.

It is not a de Polignac number, because 8621916475 - 2¹⁹ = 8621392187 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 172438305 + ... + 172438354.

Almost surely, 2^8621916475 is an apocalyptic number.

8621916475 is a deficient number, since it is larger than the sum of its proper divisors (2069259985).

8621916475 is a wasteful number, since it uses less digits than its factorization.

8621916475 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 344876669 (or 344876664 counting only the distinct ones).

The product of its digits is 725760, while the sum is 49.

The square root of 8621916475 is about 92854.2754804538. The cubic root of 8621916475 is about 2050.5385438162.

The spelling of 8621916475 in words is "eight billion, six hundred twenty-one million, nine hundred sixteen thousand, four hundred seventy-five".