76783253 has 2 divisors, whose sum is σ = 76783254. Its totient is φ = 76783252.

The previous prime is 76783247. The next prime is 76783261. The reversal of 76783253 is 35238767.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 76772644 + 10609 = 8762^2 + 103^2 .

It is a cyclic number.

It is not a de Polignac number, because 76783253 - 2⁸ = 76782997 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 76783253.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (76783753) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38391626 + 38391627.

It is an arithmetic number, because the mean of its divisors is an integer number (38391627).

Almost surely, 2^76783253 is an apocalyptic number.

It is an amenable number.

76783253 is a deficient number, since it is larger than the sum of its proper divisors (1).

76783253 is an equidigital number, since it uses as much as digits as its factorization.

76783253 is an evil number, because the sum of its binary digits is even.

The product of its digits is 211680, while the sum is 41.

The square root of 76783253 is about 8762.6053773978. The cubic root of 76783253 is about 425.0325289981.

The spelling of 76783253 in words is "seventy-six million, seven hundred eighty-three thousand, two hundred fifty-three".