76119154609 has 3 divisors (see below), whose sum is σ = 76119430507. Its totient is φ = 76118878712.

The previous prime is 76119154583. The next prime is 76119154633. The reversal of 76119154609 is 90645191167.

The square root of 76119154609 is 275897.

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

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in only one way, i.e., 49330631025 + 26788523584 = 222105^2 + 163672^2 .

It is not a de Polignac number, because 76119154609 - 2¹⁹ = 76118630321 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (76119154409) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 137949 + ... + 413845.

Almost surely, 2^76119154609 is an apocalyptic number.

76119154609 is the 275897-th square number.

76119154609 is the 137949-th centered octagonal number.

It is an amenable number.

76119154609 is a deficient number, since it is larger than the sum of its proper divisors (275898).

76119154609 is an frugal number, since it uses more digits than its factorization.

76119154609 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 551794 (or 275897 counting only the distinct ones).

The product of its (nonzero) digits is 408240, while the sum is 49.

Multiplying 76119154609 by its sum of digits (49), we get a square (3729838575841 = 1931279²).

The spelling of 76119154609 in words is "seventy-six billion, one hundred nineteen million, one hundred fifty-four thousand, six hundred nine".