770283755881 has 2 divisors, whose sum is σ = 770283755882. Its totient is φ = 770283755880.

The previous prime is 770283755851. The next prime is 770283755897. The reversal of 770283755881 is 188557382077.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 659248187481 + 111035568400 = 811941^2 + 333220^2 .

It is an emirp because it is prime and its reverse (188557382077) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 770283755881 - 2¹⁵ = 770283723113 is a prime.

It is a super-2 number, since 2×770283755881² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (770283755851) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 385141877940 + 385141877941.

It is an arithmetic number, because the mean of its divisors is an integer number (385141877941).

Almost surely, 2^770283755881 is an apocalyptic number.

It is an amenable number.

770283755881 is a deficient number, since it is larger than the sum of its proper divisors (1).

770283755881 is an equidigital number, since it uses as much as digits as its factorization.

770283755881 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 26342400, while the sum is 61.

The spelling of 770283755881 in words is "seven hundred seventy billion, two hundred eighty-three million, seven hundred fifty-five thousand, eight hundred eighty-one".