8077875129 has 9 divisors (see below), whose sum is σ = 11668431333. Its totient is φ = 5385070332.

The previous prime is 8077875121. The next prime is 8077875133. The reversal of 8077875129 is 9215787708.

It is a happy number.

The square root of 8077875129 is 89877.

It is a perfect power (a square), and thus also a powerful number.

It is a tau number, because it is divible by the number of its divisors (9).

It is not a de Polignac number, because 8077875129 - 2³ = 8077875121 is a prime.

It is not an unprimeable number, because it can be changed into a prime (8077875121) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 254652 + ... + 284610.

Almost surely, 2^8077875129 is an apocalyptic number.

8077875129 is the 89877-th square number.

8077875129 is the 44939-th centered octagonal number.

It is an amenable number.

8077875129 is a deficient number, since it is larger than the sum of its proper divisors (3590556204).

8077875129 is an frugal number, since it uses more digits than its factorization.

8077875129 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59924 (or 29962 counting only the distinct ones).

The product of its (nonzero) digits is 1975680, while the sum is 54.

The cubic root of 8077875129 is about 2006.4686498123.

The spelling of 8077875129 in words is "eight billion, seventy-seven million, eight hundred seventy-five thousand, one hundred twenty-nine".