77970059701 has 2 divisors, whose sum is σ = 77970059702. Its totient is φ = 77970059700.

The previous prime is 77970059621. The next prime is 77970059719. The reversal of 77970059701 is 10795007977.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 39970405476 + 37999654225 = 199926^2 + 194935^2 .

It is a cyclic number.

It is not a de Polignac number, because 77970059701 - 2²⁷ = 77835841973 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (77971059701) 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, 38985029850 + 38985029851.

It is an arithmetic number, because the mean of its divisors is an integer number (38985029851).

Almost surely, 2^77970059701 is an apocalyptic number.

It is an amenable number.

77970059701 is a deficient number, since it is larger than the sum of its proper divisors (1).

77970059701 is an equidigital number, since it uses as much as digits as its factorization.

77970059701 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 972405, while the sum is 52.

The spelling of 77970059701 in words is "seventy-seven billion, nine hundred seventy million, fifty-nine thousand, seven hundred one".