77900133120032 has 48 divisors (see below), whose sum is σ = 153520493729400. Its totient is φ = 38910813339648.

The previous prime is 77900133119987. The next prime is 77900133120037. The reversal of 77900133120032 is 23002133100977.

It can be written as a sum of positive squares in 4 ways, for example, as 60400937414416 + 17499195705616 = 7771804^2 + 4183204^2 .

It is not an unprimeable number, because it can be changed into a prime (77900133120037) by changing a digit.

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, 212022308 + ... + 212389404.

Almost surely, 2^{77900133120032} is an apocalyptic number.

It is an amenable number.

77900133120032 is a deficient number, since it is larger than the sum of its proper divisors (75620360609368).

77900133120032 is a wasteful number, since it uses less digits than its factorization.

77900133120032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 373773 (or 373765 counting only the distinct ones).

The product of its (nonzero) digits is 47628, while the sum is 38.

The spelling of 77900133120032 in words is "seventy-seven trillion, nine hundred billion, one hundred thirty-three million, one hundred twenty thousand, thirty-two".