8977661 has 8 divisors (see below), whose sum is σ = 11193024. Its totient is φ = 6995520.

The previous prime is 8977651. The next prime is 8977663. The reversal of 8977661 is 1667798.

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

It is not a de Polignac number, because 8977661 - 2⁶ = 8977597 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 (8977663) 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, 58220 + ... + 58373.

It is an arithmetic number, because the mean of its divisors is an integer number (1399128).

Almost surely, 2^8977661 is an apocalyptic number.

It is an amenable number.

8977661 is a deficient number, since it is larger than the sum of its proper divisors (2215363).

8977661 is a wasteful number, since it uses less digits than its factorization.

8977661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116611.

The product of its digits is 127008, while the sum is 44.

The square root of 8977661 is about 2996.2745201333. The cubic root of 8977661 is about 207.8361397458.

It can be divided in two parts, 897 and 7661, that added together give a palindrome (8558).

The spelling of 8977661 in words is "eight million, nine hundred seventy-seven thousand, six hundred sixty-one".