7770064336 has 40 divisors (see below), whose sum is σ = 15966404424. Its totient is φ = 3650457600.

The previous prime is 7770064327. The next prime is 7770064381. The reversal of 7770064336 is 6334600777.

It can be written as a sum of positive squares in 4 ways, for example, as 18318400 + 7751745936 = 4280^2 + 88044^2 .

It is a Smith number, since the sum of its digits (43) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 7770064292 and 7770064301.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 143436 + ... + 190036.

Almost surely, 2^7770064336 is an apocalyptic number.

It is an amenable number.

7770064336 is an abundant number, since it is smaller than the sum of its proper divisors (8196340088).

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

7770064336 is a wasteful number, since it uses less digits than its factorization.

7770064336 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47239 (or 47233 counting only the distinct ones).

The product of its (nonzero) digits is 444528, while the sum is 43.

The square root of 7770064336 is about 88147.9684167480. The cubic root of 7770064336 is about 1980.6521281512.

The spelling of 7770064336 in words is "seven billion, seven hundred seventy million, sixty-four thousand, three hundred thirty-six".