202404427157 has 2 divisors, whose sum is σ = 202404427158. Its totient is φ = 202404427156.

The previous prime is 202404427117. The next prime is 202404427171. The reversal of 202404427157 is 751724404202.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 120905025796 + 81499401361 = 347714^2 + 285481^2 .

It is a cyclic number.

It is not a de Polignac number, because 202404427157 - 2²⁴ = 202387649941 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 202404427157.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (202404427117) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101202213578 + 101202213579.

It is an arithmetic number, because the mean of its divisors is an integer number (101202213579).

Almost surely, 2^202404427157 is an apocalyptic number.

It is an amenable number.

202404427157 is a deficient number, since it is larger than the sum of its proper divisors (1).

202404427157 is an equidigital number, since it uses as much as digits as its factorization.

202404427157 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 125440, while the sum is 38.

The spelling of 202404427157 in words is "two hundred two billion, four hundred four million, four hundred twenty-seven thousand, one hundred fifty-seven".