195077377 has 4 divisors (see below), whose sum is σ = 212811696. Its totient is φ = 177343060.

The previous prime is 195077347. The next prime is 195077383. The reversal of 195077377 is 773770591.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 773770591 = 11 ⋅70342781.

It is a cyclic number.

It is not a de Polignac number, because 195077377 - 2²⁷ = 60859649 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (195077347) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8867143 + ... + 8867164.

It is an arithmetic number, because the mean of its divisors is an integer number (53202924).

Almost surely, 2^195077377 is an apocalyptic number.

It is an amenable number.

195077377 is a deficient number, since it is larger than the sum of its proper divisors (17734319).

195077377 is a wasteful number, since it uses less digits than its factorization.

195077377 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17734318.

The product of its (nonzero) digits is 324135, while the sum is 46.

The square root of 195077377 is about 13967.0103100127. The cubic root of 195077377 is about 579.9656905983.

The spelling of 195077377 in words is "one hundred ninety-five million, seventy-seven thousand, three hundred seventy-seven".