772012511 has 4 divisors (see below), whose sum is σ = 792877752. Its totient is φ = 751147272.

The previous prime is 772012481. The next prime is 772012519. The reversal of 772012511 is 115210277.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 772012511 - 2¹⁸ = 771750367 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (772012519) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10432565 + ... + 10432638.

It is an arithmetic number, because the mean of its divisors is an integer number (198219438).

Almost surely, 2^772012511 is an apocalyptic number.

772012511 is a deficient number, since it is larger than the sum of its proper divisors (20865241).

772012511 is a wasteful number, since it uses less digits than its factorization.

772012511 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20865240.

The product of its (nonzero) digits is 980, while the sum is 26.

The square root of 772012511 is about 27785.1131183589. The cubic root of 772012511 is about 917.3634782156.

Adding to 772012511 its reverse (115210277), we get a palindrome (887222788).

The spelling of 772012511 in words is "seven hundred seventy-two million, twelve thousand, five hundred eleven".