7812700077 has 32 divisors (see below), whose sum is σ = 12843550720. Its totient is φ = 4113685440.

The previous prime is 7812700031. The next prime is 7812700151. The reversal of 7812700077 is 7700072187.

7812700077 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 7812700077 - 2⁸ = 7812699821 is a prime.

It is a super-2 number, since 2×7812700077² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7812700177) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 130824 + ... + 180942.

It is an arithmetic number, because the mean of its divisors is an integer number (401360960).

Almost surely, 2^7812700077 is an apocalyptic number.

It is an amenable number.

7812700077 is a deficient number, since it is larger than the sum of its proper divisors (5030850643).

7812700077 is a wasteful number, since it uses less digits than its factorization.

7812700077 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50713.

The product of its (nonzero) digits is 38416, while the sum is 39.

The square root of 7812700077 is about 88389.4794474999. The cubic root of 7812700077 is about 1984.2682536125.

The spelling of 7812700077 in words is "seven billion, eight hundred twelve million, seven hundred thousand, seventy-seven".