76669755481 has 8 divisors (see below), whose sum is σ = 84817758528. Its totient is φ = 68718090000.

The previous prime is 76669755473. The next prime is 76669755499. The reversal of 76669755481 is 18455796667.

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 76669755481 - 2³ = 76669755473 is a prime.

It is a super-2 number, since 2×76669755481² (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 (76669755431) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 49083570 + ... + 49085131.

It is an arithmetic number, because the mean of its divisors is an integer number (10602219816).

Almost surely, 2^76669755481 is an apocalyptic number.

76669755481 is a gapful number since it is divisible by the number (71) formed by its first and last digit.

It is an amenable number.

76669755481 is a deficient number, since it is larger than the sum of its proper divisors (8148003047).

76669755481 is a wasteful number, since it uses less digits than its factorization.

76669755481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98168783.

The product of its digits is 76204800, while the sum is 64.

The spelling of 76669755481 in words is "seventy-six billion, six hundred sixty-nine million, seven hundred fifty-five thousand, four hundred eighty-one".