66762404127 has 6 divisors (see below), whose sum is σ = 96434583752. Its totient is φ = 44508269412.

The previous prime is 66762404123. The next prime is 66762404141. The reversal of 66762404127 is 72140426766.

66762404127 is a `hidden beast` number, since 6 + 6 + 7 + 624 + 0 + 4 + 12 + 7 = 666.

It is not a de Polignac number, because 66762404127 - 2² = 66762404123 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66762404123) 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, 3709022443 + ... + 3709022460.

Almost surely, 2^66762404127 is an apocalyptic number.

66762404127 is a deficient number, since it is larger than the sum of its proper divisors (29672179625).

66762404127 is a wasteful number, since it uses less digits than its factorization.

66762404127 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7418044909 (or 7418044906 counting only the distinct ones).

The product of its (nonzero) digits is 677376, while the sum is 45.

The spelling of 66762404127 in words is "sixty-six billion, seven hundred sixty-two million, four hundred four thousand, one hundred twenty-seven".