76772534497 has 16 divisors (see below), whose sum is σ = 83196761472. Its totient is φ = 70561048320.

The previous prime is 76772534477. The next prime is 76772534521. The reversal of 76772534497 is 79443527767.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 76772534497 - 2¹¹ = 76772532449 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (76772534437) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4861308 + ... + 4877074.

It is an arithmetic number, because the mean of its divisors is an integer number (5199797592).

Almost surely, 2^76772534497 is an apocalyptic number.

It is an amenable number.

76772534497 is a deficient number, since it is larger than the sum of its proper divisors (6424226975).

76772534497 is a wasteful number, since it uses less digits than its factorization.

76772534497 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22488.

The product of its digits is 62233920, while the sum is 61.

The spelling of 76772534497 in words is "seventy-six billion, seven hundred seventy-two million, five hundred thirty-four thousand, four hundred ninety-seven".