76547046197 has 2 divisors, whose sum is σ = 76547046198. Its totient is φ = 76547046196.

The previous prime is 76547046187. The next prime is 76547046221. The reversal of 76547046197 is 79164074567.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 71657400721 + 4889645476 = 267689^2 + 69926^2 .

It is a cyclic number.

It is not a de Polignac number, because 76547046197 - 2¹² = 76547042101 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (76547046167) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38273523098 + 38273523099.

It is an arithmetic number, because the mean of its divisors is an integer number (38273523099).

Almost surely, 2^76547046197 is an apocalyptic number.

It is an amenable number.

76547046197 is a deficient number, since it is larger than the sum of its proper divisors (1).

76547046197 is an equidigital number, since it uses as much as digits as its factorization.

76547046197 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8890560, while the sum is 56.

The spelling of 76547046197 in words is "seventy-six billion, five hundred forty-seven million, forty-six thousand, one hundred ninety-seven".