76380277 has 2 divisors, whose sum is σ = 76380278. Its totient is φ = 76380276.

The previous prime is 76380251. The next prime is 76380299. The reversal of 76380277 is 77208367.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 67223601 + 9156676 = 8199^2 + 3026^2 .

It is a cyclic number.

It is not a de Polignac number, because 76380277 - 2⁷ = 76380149 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (76380977) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38190138 + 38190139.

It is an arithmetic number, because the mean of its divisors is an integer number (38190139).

Almost surely, 2^76380277 is an apocalyptic number.

It is an amenable number.

76380277 is a deficient number, since it is larger than the sum of its proper divisors (1).

76380277 is an equidigital number, since it uses as much as digits as its factorization.

76380277 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 98784, while the sum is 40.

The square root of 76380277 is about 8739.5810540323. The cubic root of 76380277 is about 424.2876685693.

The spelling of 76380277 in words is "seventy-six million, three hundred eighty thousand, two hundred seventy-seven".