7770404042 has 16 divisors (see below), whose sum is σ = 12201501312. Its totient is φ = 3704323920.

The previous prime is 7770404039. The next prime is 7770404063. The reversal of 7770404042 is 2404040777.

It is a junction number, because it is equal to n+sod(n) for n = 7770403993 and 7770404011.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 257273 + ... + 285884.

It is an arithmetic number, because the mean of its divisors is an integer number (762593832).

Almost surely, 2^7770404042 is an apocalyptic number.

7770404042 is a deficient number, since it is larger than the sum of its proper divisors (4431097270).

7770404042 is a wasteful number, since it uses less digits than its factorization.

7770404042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 543493.

The product of its (nonzero) digits is 43904, while the sum is 35.

The square root of 7770404042 is about 88149.8953033978. The cubic root of 7770404042 is about 1980.6809923312.

The spelling of 7770404042 in words is "seven billion, seven hundred seventy million, four hundred four thousand, forty-two".