77467105081 has 8 divisors (see below), whose sum is σ = 77711741640. Its totient is φ = 77222702592.

The previous prime is 77467105049. The next prime is 77467105103. The reversal of 77467105081 is 18050176477.

It can be written as a sum of positive squares in 4 ways, for example, as 1809651600 + 75657453481 = 42540^2 + 275059^2 .

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 77467105081 - 2⁵ = 77467105049 is a prime.

It is a super-2 number, since 2×77467105081² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (77467105021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 616681 + ... + 731593.

It is an arithmetic number, because the mean of its divisors is an integer number (9713967705).

Almost surely, 2^77467105081 is an apocalyptic number.

It is an amenable number.

77467105081 is a deficient number, since it is larger than the sum of its proper divisors (244636559).

77467105081 is a wasteful number, since it uses less digits than its factorization.

77467105081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117035.

The product of its (nonzero) digits is 329280, while the sum is 46.

The spelling of 77467105081 in words is "seventy-seven billion, four hundred sixty-seven million, one hundred five thousand, eighty-one".