77903042116 has 12 divisors (see below), whose sum is σ = 136332981820. Its totient is φ = 38950761600.

The previous prime is 77903042093. The next prime is 77903042123. The reversal of 77903042116 is 61124030977.

It can be written as a sum of positive squares in 2 ways, for example, as 13537322500 + 64365719616 = 116350^2 + 253704^2 .

It is a hoax number, since the sum of its digits (40) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 85216 + ... + 403816.

Almost surely, 2^77903042116 is an apocalyptic number.

It is an amenable number.

77903042116 is a deficient number, since it is larger than the sum of its proper divisors (58429939704).

77903042116 is a wasteful number, since it uses less digits than its factorization.

77903042116 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 379734 (or 379732 counting only the distinct ones).

The product of its (nonzero) digits is 63504, while the sum is 40.

The spelling of 77903042116 in words is "seventy-seven billion, nine hundred three million, forty-two thousand, one hundred sixteen".