77048899 has 2 divisors, whose sum is σ = 77048900. Its totient is φ = 77048898.

The previous prime is 77048897. The next prime is 77049001. The reversal of 77048899 is 99884077.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 77048899 - 2¹ = 77048897 is a prime.

It is a super-2 number, since 2×77048899² = 11873065674224402, which contains 22 as substring.

Together with 77048897, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (77048893) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38524449 + 38524450.

It is an arithmetic number, because the mean of its divisors is an integer number (38524450).

Almost surely, 2^77048899 is an apocalyptic number.

77048899 is a deficient number, since it is larger than the sum of its proper divisors (1).

77048899 is an equidigital number, since it uses as much as digits as its factorization.

77048899 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1016064, while the sum is 52.

The square root of 77048899 is about 8777.7502242887. The cubic root of 77048899 is about 425.5221246130.

The spelling of 77048899 in words is "seventy-seven million, forty-eight thousand, eight hundred ninety-nine".