76130779 has 2 divisors, whose sum is σ = 76130780. Its totient is φ = 76130778.

The previous prime is 76130773. The next prime is 76130797. The reversal of 76130779 is 97703167.

Together with next prime (76130797) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 76130779 - 2¹³ = 76122587 is a prime.

It is a super-2 number, since 2×76130779² = 11591791022293682, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (76130773) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38065389 + 38065390.

It is an arithmetic number, because the mean of its divisors is an integer number (38065390).

Almost surely, 2^76130779 is an apocalyptic number.

76130779 is a deficient number, since it is larger than the sum of its proper divisors (1).

76130779 is an equidigital number, since it uses as much as digits as its factorization.

76130779 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 55566, while the sum is 40.

The square root of 76130779 is about 8725.2953531671. The cubic root of 76130779 is about 423.8251826933.

The spelling of 76130779 in words is "seventy-six million, one hundred thirty thousand, seven hundred seventy-nine".