5942790978877 has 2 divisors, whose sum is σ = 5942790978878. Its totient is φ = 5942790978876.

The previous prime is 5942790978871. The next prime is 5942790978907. The reversal of 5942790978877 is 7788790972495.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5028981166521 + 913809812356 = 2242539^2 + 955934^2 .

It is a cyclic number.

It is not a de Polignac number, because 5942790978877 - 2³ = 5942790978869 is a prime.

It is a super-2 number, since 2×5942790978877² (a number of 26 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 5942790978877.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5942790978871) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2971395489438 + 2971395489439.

It is an arithmetic number, because the mean of its divisors is an integer number (2971395489439).

Almost surely, 2^{5942790978877} is an apocalyptic number.

It is an amenable number.

5942790978877 is a deficient number, since it is larger than the sum of its proper divisors (1).

5942790978877 is an equidigital number, since it uses as much as digits as its factorization.

5942790978877 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4480842240, while the sum is 82.

The spelling of 5942790978877 in words is "five trillion, nine hundred forty-two billion, seven hundred ninety million, nine hundred seventy-eight thousand, eight hundred seventy-seven".