99401677 has 2 divisors, whose sum is σ = 99401678. Its totient is φ = 99401676.

The previous prime is 99401657. The next prime is 99401683. The reversal of 99401677 is 77610499.

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., 97891236 + 1510441 = 9894^2 + 1229^2 .

It is a cyclic number.

It is not a de Polignac number, because 99401677 - 2¹⁵ = 99368909 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (99401657) 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, 49700838 + 49700839.

It is an arithmetic number, because the mean of its divisors is an integer number (49700839).

Almost surely, 2^99401677 is an apocalyptic number.

It is an amenable number.

99401677 is a deficient number, since it is larger than the sum of its proper divisors (1).

99401677 is an equidigital number, since it uses as much as digits as its factorization.

99401677 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 95256, while the sum is 43.

The square root of 99401677 is about 9970.0389668246. The cubic root of 99401677 is about 463.2313078096.

The spelling of 99401677 in words is "ninety-nine million, four hundred one thousand, six hundred seventy-seven".