7077706678764 has 144 divisors (see below), whose sum is σ = 18172906752000. Its totient is φ = 2322372850560.

The previous prime is 7077706678759. The next prime is 7077706678787. The reversal of 7077706678764 is 4678766077707.

It is a junction number, because it is equal to n+sod(n) for n = 7077706678692 and 7077706678701.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 411701409 + ... + 411718599.

Almost surely, 2^{7077706678764} is an apocalyptic number.

It is an amenable number.

7077706678764 is an abundant number, since it is smaller than the sum of its proper divisors (11095200073236).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

7077706678764 is a wasteful number, since it uses less digits than its factorization.

7077706678764 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17988 (or 17983 counting only the distinct ones).

The product of its (nonzero) digits is 813189888, while the sum is 72.

The spelling of 7077706678764 in words is "seven trillion, seventy-seven billion, seven hundred six million, six hundred seventy-eight thousand, seven hundred sixty-four".