772760047 has 4 divisors (see below), whose sum is σ = 773380000. Its totient is φ = 772140096.

The previous prime is 772760011. The next prime is 772760057. The reversal of 772760047 is 740067277.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 740067277 = 18803 ⋅39359.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-772760047 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 772759991 and 772760009.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (772760057) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 308103 + ... + 310600.

It is an arithmetic number, because the mean of its divisors is an integer number (193345000).

Almost surely, 2^772760047 is an apocalyptic number.

772760047 is a deficient number, since it is larger than the sum of its proper divisors (619953).

772760047 is a wasteful number, since it uses less digits than its factorization.

772760047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 619952.

The product of its (nonzero) digits is 115248, while the sum is 40.

The square root of 772760047 is about 27798.5619592093. The cubic root of 772760047 is about 917.6594755793.

The spelling of 772760047 in words is "seven hundred seventy-two million, seven hundred sixty thousand, forty-seven".