77232740137457 has 8 divisors (see below), whose sum is σ = 79050826992384. Its totient is φ = 75435196637088.

The previous prime is 77232740137453. The next prime is 77232740137499. The reversal of 77232740137457 is 75473104723277.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 77232740137457 - 2² = 77232740137453 is a prime.

It is a super-3 number, since 3×77232740137457³ (a number of 43 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 77232740137396 and 77232740137405.

It is not an unprimeable number, because it can be changed into a prime (77232740137453) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5135831033 + ... + 5135846070.

It is an arithmetic number, because the mean of its divisors is an integer number (9881353374048).

Almost surely, 2^{77232740137457} is an apocalyptic number.

It is an amenable number.

77232740137457 is a deficient number, since it is larger than the sum of its proper divisors (1818086854927).

77232740137457 is a wasteful number, since it uses less digits than its factorization.

77232740137457 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10271677279.

The product of its (nonzero) digits is 48404160, while the sum is 59.

The spelling of 77232740137457 in words is "seventy-seven trillion, two hundred thirty-two billion, seven hundred forty million, one hundred thirty-seven thousand, four hundred fifty-seven".