769516770642 has 32 divisors (see below), whose sum is σ = 1544154494208. Its totient is φ = 255652315776.

The previous prime is 769516770569. The next prime is 769516770661. The reversal of 769516770642 is 246077615967.

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, 17072928 + ... + 17117940.

It is an arithmetic number, because the mean of its divisors is an integer number (48254827944).

Almost surely, 2^769516770642 is an apocalyptic number.

769516770642 is an abundant number, since it is smaller than the sum of its proper divisors (774637723566).

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

769516770642 is a wasteful number, since it uses less digits than its factorization.

769516770642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54434.

The product of its (nonzero) digits is 26671680, while the sum is 60.

The spelling of 769516770642 in words is "seven hundred sixty-nine billion, five hundred sixteen million, seven hundred seventy thousand, six hundred forty-two".