190525077 has 12 divisors (see below), whose sum is σ = 287168544. Its totient is φ = 121494120.

The previous prime is 190525063. The next prime is 190525079. The reversal of 190525077 is 770525091.

It is not a de Polignac number, because 190525077 - 2⁴ = 190525061 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (190525079) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 459999 + ... + 460412.

It is an arithmetic number, because the mean of its divisors is an integer number (23930712).

Almost surely, 2^190525077 is an apocalyptic number.

It is an amenable number.

190525077 is a deficient number, since it is larger than the sum of its proper divisors (96643467).

190525077 is a wasteful number, since it uses less digits than its factorization.

190525077 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 920440 (or 920437 counting only the distinct ones).

The product of its (nonzero) digits is 22050, while the sum is 36.

The square root of 190525077 is about 13803.0821558085. The cubic root of 190525077 is about 575.4188021371.

The spelling of 190525077 in words is "one hundred ninety million, five hundred twenty-five thousand, seventy-seven".