771714636540042 has 32 divisors (see below), whose sum is σ = 1662155725914432. Its totient is φ = 237450496806144.

The previous prime is 771714636540031. The next prime is 771714636540049. The reversal of 771714636540042 is 240045636417177.

It is not an unprimeable number, because it can be changed into a prime (771714636540049) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 169799218 + ... + 174284834.

It is an arithmetic number, because the mean of its divisors is an integer number (51942366434826).

Almost surely, 2^{771714636540042} is an apocalyptic number.

771714636540042 is an abundant number, since it is smaller than the sum of its proper divisors (890441089374390).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

771714636540042 is a wasteful number, since it uses less digits than its factorization.

771714636540042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6691302.

The product of its (nonzero) digits is 23708160, while the sum is 57.

The spelling of 771714636540042 in words is "seven hundred seventy-one trillion, seven hundred fourteen billion, six hundred thirty-six million, five hundred forty thousand, forty-two".