77528053 has 2 divisors, whose sum is σ = 77528054. Its totient is φ = 77528052.

The previous prime is 77528023. The next prime is 77528063. The reversal of 77528053 is 35082577.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 66618244 + 10909809 = 8162^2 + 3303^2 .

It is a cyclic number.

It is not a de Polignac number, because 77528053 - 2¹³ = 77519861 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (77528023) 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 as a sum of consecutive naturals, namely, 38764026 + 38764027.

It is an arithmetic number, because the mean of its divisors is an integer number (38764027).

Almost surely, 2^77528053 is an apocalyptic number.

It is an amenable number.

77528053 is a deficient number, since it is larger than the sum of its proper divisors (1).

77528053 is an equidigital number, since it uses as much as digits as its factorization.

77528053 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 58800, while the sum is 37.

The square root of 77528053 is about 8805.0015900055. The cubic root of 77528053 is about 426.4023856387.

The spelling of 77528053 in words is "seventy-seven million, five hundred twenty-eight thousand, fifty-three".