8971977 has 8 divisors (see below), whose sum is σ = 13671616. Its totient is φ = 5126832.

The previous prime is 8971973. The next prime is 8971979. The reversal of 8971977 is 7791798.

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

It is not a de Polignac number, because 8971977 - 2² = 8971973 is a prime.

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (8971973) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 213598 + ... + 213639.

It is an arithmetic number, because the mean of its divisors is an integer number (1708952).

Almost surely, 2^8971977 is an apocalyptic number.

It is an amenable number.

8971977 is a deficient number, since it is larger than the sum of its proper divisors (4699639).

8971977 is a wasteful number, since it uses less digits than its factorization.

8971977 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 427247.

The product of its digits is 222264, while the sum is 48.

The square root of 8971977 is about 2995.3258587339. The cubic root of 8971977 is about 207.7922682586.

The spelling of 8971977 in words is "eight million, nine hundred seventy-one thousand, nine hundred seventy-seven".