9961476287 has 8 divisors (see below), whose sum is σ = 11385147936. Its totient is φ = 8537955552.

The previous prime is 9961476269. The next prime is 9961476311. The reversal of 9961476287 is 7826741699.

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

It is not a de Polignac number, because 9961476287 - 2⁶ = 9961476223 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9961476227) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 242753 + ... + 280805.

It is an arithmetic number, because the mean of its divisors is an integer number (1423143492).

Almost surely, 2^9961476287 is an apocalyptic number.

9961476287 is a deficient number, since it is larger than the sum of its proper divisors (1423671649).

9961476287 is a wasteful number, since it uses less digits than its factorization.

9961476287 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75457.

The product of its digits is 9144576, while the sum is 59.

The square root of 9961476287 is about 99807.1955672536. The cubic root of 9961476287 is about 2151.6645690133.

The spelling of 9961476287 in words is "nine billion, nine hundred sixty-one million, four hundred seventy-six thousand, two hundred eighty-seven".