977862140357 has 2 divisors, whose sum is σ = 977862140358. Its totient is φ = 977862140356.

The previous prime is 977862140327. The next prime is 977862140369. The reversal of 977862140357 is 753041268779.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 930744492001 + 47117648356 = 964751^2 + 217066^2 .

It is an emirp because it is prime and its reverse (753041268779) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 977862140357 - 2⁶ = 977862140293 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 977862140296 and 977862140305.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (977862140317) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 488931070178 + 488931070179.

It is an arithmetic number, because the mean of its divisors is an integer number (488931070179).

It is a 1-persistent number, because it is pandigital, but 2⋅977862140357 = 1955724280714 is not.

Almost surely, 2^977862140357 is an apocalyptic number.

It is an amenable number.

977862140357 is a deficient number, since it is larger than the sum of its proper divisors (1).

977862140357 is an equidigital number, since it uses as much as digits as its factorization.

977862140357 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 17781120, while the sum is 59.

The spelling of 977862140357 in words is "nine hundred seventy-seven billion, eight hundred sixty-two million, one hundred forty thousand, three hundred fifty-seven".