3077906778 has 24 divisors (see below), whose sum is σ = 6685444116. Its totient is φ = 1023408000.

The previous prime is 3077906773. The next prime is 3077906779. The reversal of 3077906778 is 8776097703.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 3070600569 + 7306209 = 55413^2 + 2703^2 .

It is not an unprimeable number, because it can be changed into a prime (3077906771) 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 11 ways as a sum of consecutive naturals, for example, 205993 + ... + 220428.

Almost surely, 2^3077906778 is an apocalyptic number.

3077906778 is an abundant number, since it is smaller than the sum of its proper divisors (3607537338).

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

3077906778 is a wasteful number, since it uses less digits than its factorization.

3077906778 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 426830 (or 426827 counting only the distinct ones).

The product of its (nonzero) digits is 3111696, while the sum is 54.

The square root of 3077906778 is about 55478.8858756194. The cubic root of 3077906778 is about 1454.6275902385.

The spelling of 3077906778 in words is "three billion, seventy-seven million, nine hundred six thousand, seven hundred seventy-eight".