190942077 has 8 divisors (see below), whose sum is σ = 267988960. Its totient is φ = 120594960.

The previous prime is 190942049. The next prime is 190942091. The reversal of 190942077 is 770249091.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 190942077 - 2¹⁸ = 190679933 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (190942277) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1674874 + ... + 1674987.

It is an arithmetic number, because the mean of its divisors is an integer number (33498620).

Almost surely, 2^190942077 is an apocalyptic number.

It is an amenable number.

190942077 is a deficient number, since it is larger than the sum of its proper divisors (77046883).

190942077 is a wasteful number, since it uses less digits than its factorization.

190942077 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3349883.

The product of its (nonzero) digits is 31752, while the sum is 39.

The square root of 190942077 is about 13818.1792215907. The cubic root of 190942077 is about 575.8383003619.

The spelling of 190942077 in words is "one hundred ninety million, nine hundred forty-two thousand, seventy-seven".