66062730877 has 24 divisors (see below), whose sum is σ = 79361419680. Its totient is φ = 54497551680.

The previous prime is 66062730871. The next prime is 66062730883. The reversal of 66062730877 is 77803726066.

It is an interprime number because it is at equal distance from previous prime (66062730871) and next prime (66062730883).

It is not a de Polignac number, because 66062730877 - 2³ = 66062730869 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 (66062730871) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 191478 + ... + 410839.

It is an arithmetic number, because the mean of its divisors is an integer number (3306725820).

Almost surely, 2^66062730877 is an apocalyptic number.

It is an amenable number.

66062730877 is a deficient number, since it is larger than the sum of its proper divisors (13298688803).

66062730877 is a wasteful number, since it uses less digits than its factorization.

66062730877 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 602413 (or 602400 counting only the distinct ones).

The product of its (nonzero) digits is 3556224, while the sum is 52.

The spelling of 66062730877 in words is "sixty-six billion, sixty-two million, seven hundred thirty thousand, eight hundred seventy-seven".