3138600977 has 2 divisors, whose sum is σ = 3138600978. Its totient is φ = 3138600976.

The previous prime is 3138600947. The next prime is 3138601021. The reversal of 3138600977 is 7790068313.

It is an a-pointer prime, because the next prime (3138601021) can be obtained adding 3138600977 to its sum of digits (44).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3012802321 + 125798656 = 54889^2 + 11216^2 .

It is a cyclic number.

It is not a de Polignac number, because 3138600977 - 2⁸ = 3138600721 is a prime.

It is not a weakly prime, because it can be changed into another prime (3138600947) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1569300488 + 1569300489.

It is an arithmetic number, because the mean of its divisors is an integer number (1569300489).

Almost surely, 2^3138600977 is an apocalyptic number.

It is an amenable number.

3138600977 is a deficient number, since it is larger than the sum of its proper divisors (1).

3138600977 is an equidigital number, since it uses as much as digits as its factorization.

3138600977 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 190512, while the sum is 44.

The square root of 3138600977 is about 56023.2181956731. The cubic root of 3138600977 is about 1464.1268392760.

The spelling of 3138600977 in words is "three billion, one hundred thirty-eight million, six hundred thousand, nine hundred seventy-seven".