187771048676 has 6 divisors (see below), whose sum is σ = 328599335190. Its totient is φ = 93885524336.

The previous prime is 187771048669. The next prime is 187771048709. The reversal of 187771048676 is 676840177781.

It can be written as a sum of positive squares in only one way, i.e., 181837427776 + 5933620900 = 426424^2 + 77030^2 .

It is a super-2 number, since 2×187771048676² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23471381081 + ... + 23471381088.

It is an arithmetic number, because the mean of its divisors is an integer number (54766555865).

Almost surely, 2^187771048676 is an apocalyptic number.

It is an amenable number.

187771048676 is a deficient number, since it is larger than the sum of its proper divisors (140828286514).

187771048676 is a wasteful number, since it uses less digits than its factorization.

187771048676 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46942762173 (or 46942762171 counting only the distinct ones).

The product of its (nonzero) digits is 22127616, while the sum is 62.

The spelling of 187771048676 in words is "one hundred eighty-seven billion, seven hundred seventy-one million, forty-eight thousand, six hundred seventy-six".