772345883 has 4 divisors (see below), whose sum is σ = 772444320. Its totient is φ = 772247448.

The previous prime is 772345879. The next prime is 772345907. The reversal of 772345883 is 388543277.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 388543277 = 149 ⋅2607673.

It is a cyclic number.

It is not a de Polignac number, because 772345883 - 2² = 772345879 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (772345843) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 36323 + ... + 53516.

It is an arithmetic number, because the mean of its divisors is an integer number (193111080).

Almost surely, 2^772345883 is an apocalyptic number.

772345883 is a deficient number, since it is larger than the sum of its proper divisors (98437).

772345883 is an equidigital number, since it uses as much as digits as its factorization.

772345883 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98436.

The product of its digits is 1128960, while the sum is 47.

The square root of 772345883 is about 27791.1115826625. Note that the first 3 decimals coincide. The cubic root of 772345883 is about 917.4955051294.

The spelling of 772345883 in words is "seven hundred seventy-two million, three hundred forty-five thousand, eight hundred eighty-three".