7770440334 has 16 divisors (see below), whose sum is σ = 15546510288. Its totient is φ = 2589208512.

The previous prime is 7770440333. The next prime is 7770440369. The reversal of 7770440334 is 4330440777.

It is a junction number, because it is equal to n+sod(n) for n = 7770440292 and 7770440301.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7770440333) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 216517 + ... + 249840.

It is an arithmetic number, because the mean of its divisors is an integer number (971656893).

Almost surely, 2^7770440334 is an apocalyptic number.

7770440334 is an abundant number, since it is smaller than the sum of its proper divisors (7776069954).

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

7770440334 is a wasteful number, since it uses less digits than its factorization.

7770440334 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 469139.

The product of its (nonzero) digits is 197568, while the sum is 39.

The square root of 7770440334 is about 88150.1011570605. The cubic root of 7770440334 is about 1980.6840759445.

The spelling of 7770440334 in words is "seven billion, seven hundred seventy million, four hundred forty thousand, three hundred thirty-four".