9995415775 has 12 divisors (see below), whose sum is σ = 12597502984. Its totient is φ = 7865244000.

The previous prime is 9995415769. The next prime is 9995415779. The reversal of 9995415775 is 5775145999.

It is not a de Polignac number, because 9995415775 - 2⁹ = 9995415263 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (61).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9995415779) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3275661 + ... + 3278710.

Almost surely, 2^9995415775 is an apocalyptic number.

9995415775 is a deficient number, since it is larger than the sum of its proper divisors (2602087209).

9995415775 is a wasteful number, since it uses less digits than its factorization.

9995415775 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6554442 (or 6554437 counting only the distinct ones).

The product of its digits is 17860500, while the sum is 61.

The square root of 9995415775 is about 99977.0762475079. The cubic root of 9995415775 is about 2154.1054259338.

The spelling of 9995415775 in words is "nine billion, nine hundred ninety-five million, four hundred fifteen thousand, seven hundred seventy-five".