76774341049 has 4 divisors (see below), whose sum is σ = 87742104064. Its totient is φ = 65806578036.

The previous prime is 76774341043. The next prime is 76774341089. The reversal of 76774341049 is 94014347767.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 94014347767 = 17 ⋅5530255751.

It is a cyclic number.

It is not a de Polignac number, because 76774341049 - 2¹³ = 76774332857 is a prime.

It is a super-3 number, since 3×76774341049³ (a number of 34 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 76774340987 and 76774341005.

It is not an unprimeable number, because it can be changed into a prime (76774341043) 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, 5483881497 + ... + 5483881510.

It is an arithmetic number, because the mean of its divisors is an integer number (21935526016).

Almost surely, 2^76774341049 is an apocalyptic number.

It is an amenable number.

76774341049 is a deficient number, since it is larger than the sum of its proper divisors (10967763015).

76774341049 is a wasteful number, since it uses less digits than its factorization.

76774341049 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10967763014.

The product of its (nonzero) digits is 3556224, while the sum is 52.

The spelling of 76774341049 in words is "seventy-six billion, seven hundred seventy-four million, three hundred forty-one thousand, forty-nine".