77165130472 has 32 divisors (see below), whose sum is σ = 151126934400. Its totient is φ = 36890449344.

The previous prime is 77165130373. The next prime is 77165130533. The reversal of 77165130472 is 27403156177.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1590708 + ... + 1638499.

It is an arithmetic number, because the mean of its divisors is an integer number (4722716700).

Almost surely, 2^77165130472 is an apocalyptic number.

It is an amenable number.

77165130472 is a deficient number, since it is larger than the sum of its proper divisors (73961803928).

77165130472 is a wasteful number, since it uses less digits than its factorization.

77165130472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3229345 (or 3229341 counting only the distinct ones).

The product of its (nonzero) digits is 246960, while the sum is 43.

The spelling of 77165130472 in words is "seventy-seven billion, one hundred sixty-five million, one hundred thirty thousand, four hundred seventy-two".