6860977 has 2 divisors, whose sum is σ = 6860978. Its totient is φ = 6860976.

The previous prime is 6860963. The next prime is 6860989. The reversal of 6860977 is 7790686.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6195121 + 665856 = 2489^2 + 816^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6860977 is a prime.

6860977 is a lucky number.

It is not a weakly prime, because it can be changed into another prime (6860677) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3430488 + 3430489.

It is an arithmetic number, because the mean of its divisors is an integer number (3430489).

Almost surely, 2^6860977 is an apocalyptic number.

It is an amenable number.

6860977 is a deficient number, since it is larger than the sum of its proper divisors (1).

6860977 is an equidigital number, since it uses as much as digits as its factorization.

6860977 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 127008, while the sum is 43.

The square root of 6860977 is about 2619.3466742682. The cubic root of 6860977 is about 190.0182530940.

It can be divided in two parts, 68609 and 77, that added together give a palindrome (68686).

The spelling of 6860977 in words is "six million, eight hundred sixty thousand, nine hundred seventy-seven".