8620977 has 4 divisors (see below), whose sum is σ = 11494640. Its totient is φ = 5747316.

The previous prime is 8620973. The next prime is 8620993. The reversal of 8620977 is 7790268.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 8620977 - 2² = 8620973 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8620973) 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 3 ways as a sum of consecutive naturals, for example, 1436827 + ... + 1436832.

It is an arithmetic number, because the mean of its divisors is an integer number (2873660).

Almost surely, 2^8620977 is an apocalyptic number.

It is an amenable number.

8620977 is a deficient number, since it is larger than the sum of its proper divisors (2873663).

8620977 is a wasteful number, since it uses less digits than its factorization.

8620977 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2873662.

The product of its (nonzero) digits is 42336, while the sum is 39.

The square root of 8620977 is about 2936.1500302267. The cubic root of 8620977 is about 205.0464063095.

The spelling of 8620977 in words is "eight million, six hundred twenty thousand, nine hundred seventy-seven".