9961677 has 32 divisors (see below), whose sum is σ = 17055360. Its totient is φ = 5679360.

The previous prime is 9961673. The next prime is 9961687. The reversal of 9961677 is 7761699.

It is not a de Polignac number, because 9961677 - 2² = 9961673 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9961673) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4063 + ... + 6035.

It is an arithmetic number, because the mean of its divisors is an integer number (532980).

Almost surely, 2^9961677 is an apocalyptic number.

It is an amenable number.

9961677 is a deficient number, since it is larger than the sum of its proper divisors (7093683).

9961677 is a wasteful number, since it uses less digits than its factorization.

9961677 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2010 (or 2004 counting only the distinct ones).

The product of its digits is 142884, while the sum is 45.

The square root of 9961677 is about 3156.2124453211. The cubic root of 9961677 is about 215.1679020156.

It can be divided in two parts, 99 and 61677, that added together give a triangular number (61776 = T₃₅₁).

The spelling of 9961677 in words is "nine million, nine hundred sixty-one thousand, six hundred seventy-seven".