77772547034 has 48 divisors (see below), whose sum is σ = 144607197312. Its totient is φ = 30716397504.

The previous prime is 77772547033. The next prime is 77772547049. The reversal of 77772547034 is 43074527777.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (77772547033) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1423547 + ... + 1477169.

It is an arithmetic number, because the mean of its divisors is an integer number (3012649944).

Almost surely, 2^77772547034 is an apocalyptic number.

77772547034 is a deficient number, since it is larger than the sum of its proper divisors (66834650278).

77772547034 is a wasteful number, since it uses less digits than its factorization.

77772547034 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54271 (or 54258 counting only the distinct ones).

The product of its (nonzero) digits is 8067360, while the sum is 53.

The spelling of 77772547034 in words is "seventy-seven billion, seven hundred seventy-two million, five hundred forty-seven thousand, thirty-four".