977040741929093 has 2 divisors, whose sum is σ = 977040741929094. Its totient is φ = 977040741929092.

The previous prime is 977040741929047. The next prime is 977040741929113. The reversal of 977040741929093 is 390929147040779.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 603483344546404 + 373557397382689 = 24565898^2 + 19327633^2 .

It is an emirp because it is prime and its reverse (390929147040779) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 977040741929093 - 2¹² = 977040741924997 is a prime.

It is a super-2 number, since 2×977040741929093² (a number of 31 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (977040741919093) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 488520370964546 + 488520370964547.

It is an arithmetic number, because the mean of its divisors is an integer number (488520370964547).

Almost surely, 2^{977040741929093} is an apocalyptic number.

It is an amenable number.

977040741929093 is a deficient number, since it is larger than the sum of its proper divisors (1).

977040741929093 is an equidigital number, since it uses as much as digits as its factorization.

977040741929093 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 216040608, while the sum is 71.

The spelling of 977040741929093 in words is "nine hundred seventy-seven trillion, forty billion, seven hundred forty-one million, nine hundred twenty-nine thousand, ninety-three".