48897769 has 2 divisors, whose sum is σ = 48897770. Its totient is φ = 48897768.

The previous prime is 48897743. The next prime is 48897781. The reversal of 48897769 is 96779884.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 40487769 + 8410000 = 6363^2 + 2900^2 .

It is a cyclic number.

It is not a de Polignac number, because 48897769 - 2¹⁵ = 48865001 is a prime.

It is a super-2 number, since 2×48897769² = 4781983626354722, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (48897169) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24448884 + 24448885.

It is an arithmetic number, because the mean of its divisors is an integer number (24448885).

Almost surely, 2^48897769 is an apocalyptic number.

It is an amenable number.

48897769 is a deficient number, since it is larger than the sum of its proper divisors (1).

48897769 is an equidigital number, since it uses as much as digits as its factorization.

48897769 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6096384, while the sum is 58.

The square root of 48897769 is about 6992.6939729978. The cubic root of 48897769 is about 365.6759077726.

The spelling of 48897769 in words is "forty-eight million, eight hundred ninety-seven thousand, seven hundred sixty-nine".