77050197 has 48 divisors (see below), whose sum is σ = 134611200. Its totient is φ = 43967448.

The previous prime is 77050189. The next prime is 77050199. The reversal of 77050197 is 79105077.

It is not a de Polignac number, because 77050197 - 2³ = 77050189 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (77050199) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 106804 + ... + 107522.

It is an arithmetic number, because the mean of its divisors is an integer number (2804400).

Almost surely, 2^77050197 is an apocalyptic number.

It is an amenable number.

77050197 is a deficient number, since it is larger than the sum of its proper divisors (57561003).

77050197 is an frugal number, since it uses more digits than its factorization.

77050197 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 754 (or 729 counting only the distinct ones).

The product of its (nonzero) digits is 15435, while the sum is 36.

The square root of 77050197 is about 8777.8241609182. The cubic root of 77050197 is about 425.5245141112.

The spelling of 77050197 in words is "seventy-seven million, fifty thousand, one hundred ninety-seven".