99672577 has 2 divisors, whose sum is σ = 99672578. Its totient is φ = 99672576.

The previous prime is 99672553. The next prime is 99672583. The reversal of 99672577 is 77527699.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 84934656 + 14737921 = 9216^2 + 3839^2 .

It is a cyclic number.

It is not a de Polignac number, because 99672577 - 2¹⁵ = 99639809 is a prime.

It is not a weakly prime, because it can be changed into another prime (99672527) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49836288 + 49836289.

It is an arithmetic number, because the mean of its divisors is an integer number (49836289).

Almost surely, 2^99672577 is an apocalyptic number.

It is an amenable number.

99672577 is a deficient number, since it is larger than the sum of its proper divisors (1).

99672577 is an equidigital number, since it uses as much as digits as its factorization.

99672577 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1666980, while the sum is 52.

The square root of 99672577 is about 9983.6154272889. The cubic root of 99672577 is about 463.6517418116.

It can be divided in two parts, 9967 and 2577, that added together give a square (12544 = 112²).

The spelling of 99672577 in words is "ninety-nine million, six hundred seventy-two thousand, five hundred seventy-seven".