77108080438 has 32 divisors (see below), whose sum is σ = 120083040000. Its totient is φ = 37104303744.

The previous prime is 77108080369. The next prime is 77108080447. The reversal of 77108080438 is 83408080177.

It is a congruent number.

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, 4888188 + ... + 4903936.

It is an arithmetic number, because the mean of its divisors is an integer number (3752595000).

Almost surely, 2^77108080438 is an apocalyptic number.

77108080438 is a deficient number, since it is larger than the sum of its proper divisors (42974959562).

77108080438 is a wasteful number, since it uses less digits than its factorization.

77108080438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16504.

The product of its (nonzero) digits is 301056, while the sum is 46.

The spelling of 77108080438 in words is "seventy-seven billion, one hundred eight million, eighty thousand, four hundred thirty-eight".