77215002434132 has 12 divisors (see below), whose sum is σ = 135173783739456. Its totient is φ = 38593921365720.

The previous prime is 77215002434131. The next prime is 77215002434149. The reversal of 77215002434132 is 23143420051277.

It is a self number, because there is not a number n which added to its sum of digits gives 77215002434132.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (77215002434131) 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 3 ways as a sum of consecutive naturals, for example, 3394950044 + ... + 3394972787.

It is an arithmetic number, because the mean of its divisors is an integer number (11264481978288).

Almost surely, 2^{77215002434132} is an apocalyptic number.

It is an amenable number.

77215002434132 is a deficient number, since it is larger than the sum of its proper divisors (57958781305324).

77215002434132 is a wasteful number, since it uses less digits than its factorization.

77215002434132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6789925678 (or 6789925676 counting only the distinct ones).

The product of its (nonzero) digits is 282240, while the sum is 41.

The spelling of 77215002434132 in words is "seventy-seven trillion, two hundred fifteen billion, two million, four hundred thirty-four thousand, one hundred thirty-two".