82377575885672 has 8 divisors (see below), whose sum is σ = 154457954785650. Its totient is φ = 41188787942832.

The previous prime is 82377575885669. The next prime is 82377575885681. The reversal of 82377575885672 is 27658857577328.

It can be written as a sum of positive squares in only one way, i.e., 82114515630436 + 263060255236 = 9061706^2 + 512894^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5148598492847 + ... + 5148598492862.

Almost surely, 2^{82377575885672} is an apocalyptic number.

It is an amenable number.

82377575885672 is a deficient number, since it is larger than the sum of its proper divisors (72080378899978).

82377575885672 is a wasteful number, since it uses less digits than its factorization.

82377575885672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10297196985715 (or 10297196985711 counting only the distinct ones).

The product of its digits is 11063808000, while the sum is 80.

The spelling of 82377575885672 in words is "eighty-two trillion, three hundred seventy-seven billion, five hundred seventy-five million, eight hundred eighty-five thousand, six hundred seventy-two".