7770340313077 has 4 divisors (see below), whose sum is σ = 7770615602220. Its totient is φ = 7770065023936.

The previous prime is 7770340313059. The next prime is 7770340313119. The reversal of 7770340313077 is 7703130430777.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 722000286436 + 7048340026641 = 849706^2 + 2654871^2 .

It is a cyclic number.

It is not a de Polignac number, because 7770340313077 - 2⁷ = 7770340312949 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 7770340313077.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7770340313777) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 137602228 + ... + 137658685.

It is an arithmetic number, because the mean of its divisors is an integer number (1942653900555).

Almost surely, 2^{7770340313077} is an apocalyptic number.

It is an amenable number.

7770340313077 is a deficient number, since it is larger than the sum of its proper divisors (275289143).

7770340313077 is a wasteful number, since it uses less digits than its factorization.

7770340313077 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 275289142.

The product of its (nonzero) digits is 1815156, while the sum is 49.

The spelling of 7770340313077 in words is "seven trillion, seven hundred seventy billion, three hundred forty million, three hundred thirteen thousand, seventy-seven".