38466157777 has 4 divisors (see below), whose sum is σ = 38602080880. Its totient is φ = 38330234676.

The previous prime is 38466157759. The next prime is 38466157861. The reversal of 38466157777 is 77775166483.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 38466157777 - 2⁷ = 38466157649 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (38466157577) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 67961127 + ... + 67961692.

It is an arithmetic number, because the mean of its divisors is an integer number (9650520220).

Almost surely, 2^38466157777 is an apocalyptic number.

It is an amenable number.

38466157777 is a deficient number, since it is larger than the sum of its proper divisors (135923103).

38466157777 is a wasteful number, since it uses less digits than its factorization.

38466157777 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135923102.

The product of its digits is 41489280, while the sum is 61.

The spelling of 38466157777 in words is "thirty-eight billion, four hundred sixty-six million, one hundred fifty-seven thousand, seven hundred seventy-seven".