70204107778 has 32 divisors (see below), whose sum is σ = 124268497920. Its totient is φ = 29108393280.

The previous prime is 70204107769. The next prime is 70204107823. The reversal of 70204107778 is 87770140207.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1587900 + ... + 1631512.

It is an arithmetic number, because the mean of its divisors is an integer number (3883390560).

Almost surely, 2^70204107778 is an apocalyptic number.

70204107778 is a deficient number, since it is larger than the sum of its proper divisors (54064390142).

70204107778 is a wasteful number, since it uses less digits than its factorization.

70204107778 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47362.

The product of its (nonzero) digits is 153664, while the sum is 43.

The spelling of 70204107778 in words is "seventy billion, two hundred four million, one hundred seven thousand, seven hundred seventy-eight".