766742427841 has 16 divisors (see below), whose sum is σ = 831379183488. Its totient is φ = 702921024000.

The previous prime is 766742427791. The next prime is 766742427863. The reversal of 766742427841 is 148724247667.

It is not a de Polignac number, because 766742427841 - 2²³ = 766734039233 is a prime.

It is a super-2 number, since 2×766742427841² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (766742427541) 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, 2391441 + ... + 2693041.

It is an arithmetic number, because the mean of its divisors is an integer number (51961198968).

Almost surely, 2^766742427841 is an apocalyptic number.

It is an amenable number.

766742427841 is a deficient number, since it is larger than the sum of its proper divisors (64636755647).

766742427841 is a wasteful number, since it uses less digits than its factorization.

766742427841 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 302952.

The product of its digits is 25288704, while the sum is 58.

The spelling of 766742427841 in words is "seven hundred sixty-six billion, seven hundred forty-two million, four hundred twenty-seven thousand, eight hundred forty-one".