772770540764 has 6 divisors (see below), whose sum is σ = 1352348446344. Its totient is φ = 386385270380.

The previous prime is 772770540757. The next prime is 772770540821. The reversal of 772770540764 is 467045077277.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 96596317592 + ... + 96596317599.

It is an arithmetic number, because the mean of its divisors is an integer number (225391407724).

Almost surely, 2^772770540764 is an apocalyptic number.

It is an amenable number.

772770540764 is a deficient number, since it is larger than the sum of its proper divisors (579577905580).

772770540764 is a wasteful number, since it uses less digits than its factorization.

772770540764 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 193192635195 (or 193192635193 counting only the distinct ones).

The product of its (nonzero) digits is 16134720, while the sum is 56.

The spelling of 772770540764 in words is "seven hundred seventy-two billion, seven hundred seventy million, five hundred forty thousand, seven hundred sixty-four".