77675081481 has 6 divisors (see below), whose sum is σ = 112197339930. Its totient is φ = 51783387648.

The previous prime is 77675081461. The next prime is 77675081501. The reversal of 77675081481 is 18418057677.

77675081481 is a `hidden beast` number, since 77 + 67 + 508 + 1 + 4 + 8 + 1 = 666.

It is an interprime number because it is at equal distance from previous prime (77675081461) and next prime (77675081501).

It can be written as a sum of positive squares in only one way, i.e., 71706128400 + 5968953081 = 267780^2 + 77259^2 .

It is not a de Polignac number, because 77675081481 - 2⁷ = 77675081353 is a prime.

It is a super-2 number, since 2×77675081481² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (77675081461) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4315282296 + ... + 4315282313.

It is an arithmetic number, because the mean of its divisors is an integer number (18699556655).

Almost surely, 2^77675081481 is an apocalyptic number.

It is an amenable number.

77675081481 is a deficient number, since it is larger than the sum of its proper divisors (34522258449).

77675081481 is a wasteful number, since it uses less digits than its factorization.

77675081481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8630564615 (or 8630564612 counting only the distinct ones).

The product of its (nonzero) digits is 2634240, while the sum is 54.

The spelling of 77675081481 in words is "seventy-seven billion, six hundred seventy-five million, eighty-one thousand, four hundred eighty-one".