371396677891 has 4 divisors (see below), whose sum is σ = 371420529984. Its totient is φ = 371372825800.

The previous prime is 371396677871. The next prime is 371396677903. The reversal of 371396677891 is 198776693173.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 371396677891 - 2¹⁷ = 371396546819 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (371396677871) 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, 11902675 + ... + 11933836.

It is an arithmetic number, because the mean of its divisors is an integer number (92855132496).

Almost surely, 2^371396677891 is an apocalyptic number.

371396677891 is a deficient number, since it is larger than the sum of its proper divisors (23852093).

371396677891 is a wasteful number, since it uses less digits than its factorization.

371396677891 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23852092.

The product of its digits is 72013536, while the sum is 67.

The spelling of 371396677891 in words is "three hundred seventy-one billion, three hundred ninety-six million, six hundred seventy-seven thousand, eight hundred ninety-one".