13700520077 has 2 divisors, whose sum is σ = 13700520078. Its totient is φ = 13700520076.

The previous prime is 13700520037. The next prime is 13700520089. The reversal of 13700520077 is 77002500731.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12350765956 + 1349754121 = 111134^2 + 36739^2 .

It is a cyclic number.

It is not a de Polignac number, because 13700520077 - 2¹⁶ = 13700454541 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13700520037) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6850260038 + 6850260039.

It is an arithmetic number, because the mean of its divisors is an integer number (6850260039).

Almost surely, 2^13700520077 is an apocalyptic number.

It is an amenable number.

13700520077 is a deficient number, since it is larger than the sum of its proper divisors (1).

13700520077 is an equidigital number, since it uses as much as digits as its factorization.

13700520077 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10290, while the sum is 32.

The spelling of 13700520077 in words is "thirteen billion, seven hundred million, five hundred twenty thousand, seventy-seven".