8461977 has 8 divisors (see below), whose sum is σ = 11646720. Its totient is φ = 5459280.

The previous prime is 8461961. The next prime is 8461979. The reversal of 8461977 is 7791648.

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

It is not a de Polignac number, because 8461977 - 2⁴ = 8461961 is a prime.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (8461979) 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, 45402 + ... + 45587.

It is an arithmetic number, because the mean of its divisors is an integer number (1455840).

Almost surely, 2^8461977 is an apocalyptic number.

It is an amenable number.

8461977 is a deficient number, since it is larger than the sum of its proper divisors (3184743).

8461977 is a wasteful number, since it uses less digits than its factorization.

8461977 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91023.

The product of its digits is 84672, while the sum is 42.

The square root of 8461977 is about 2908.9477478979. The cubic root of 8461977 is about 203.7779928167. Note that the first 3 decimals are identical.

The spelling of 8461977 in words is "eight million, four hundred sixty-one thousand, nine hundred seventy-seven".