6900977 has 2 divisors, whose sum is σ = 6900978. Its totient is φ = 6900976.

The previous prime is 6900973. The next prime is 6901007. The reversal of 6900977 is 7790096.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3500641 + 3400336 = 1871^2 + 1844^2 .

It is a cyclic number.

It is not a de Polignac number, because 6900977 - 2² = 6900973 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 6900977.

It is not a weakly prime, because it can be changed into another prime (6900973) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3450488 + 3450489.

It is an arithmetic number, because the mean of its divisors is an integer number (3450489).

Almost surely, 2^6900977 is an apocalyptic number.

It is an amenable number.

6900977 is a deficient number, since it is larger than the sum of its proper divisors (1).

6900977 is an equidigital number, since it uses as much as digits as its factorization.

6900977 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 23814, while the sum is 38.

The square root of 6900977 is about 2626.9710695019. The cubic root of 6900977 is about 190.3868112378.

The spelling of 6900977 in words is "six million, nine hundred thousand, nine hundred seventy-seven".