99752573077 has 2 divisors, whose sum is σ = 99752573078. Its totient is φ = 99752573076.

The previous prime is 99752573057. The next prime is 99752573101. The reversal of 99752573077 is 77037525799.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 88447354801 + 11305218276 = 297401^2 + 106326^2 .

It is a cyclic number.

It is not a de Polignac number, because 99752573077 - 2⁷ = 99752572949 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (99752573017) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49876286538 + 49876286539.

It is an arithmetic number, because the mean of its divisors is an integer number (49876286539).

Almost surely, 2^99752573077 is an apocalyptic number.

It is an amenable number.

99752573077 is a deficient number, since it is larger than the sum of its proper divisors (1).

99752573077 is an equidigital number, since it uses as much as digits as its factorization.

99752573077 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 29172150, while the sum is 61.

The spelling of 99752573077 in words is "ninety-nine billion, seven hundred fifty-two million, five hundred seventy-three thousand, seventy-seven".