9385400077 has 8 divisors (see below), whose sum is σ = 9623997432. Its totient is φ = 9147264000.

The previous prime is 9385400051. The next prime is 9385400081. The reversal of 9385400077 is 7700045839.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 2903700996 + 6481699081 = 53886^2 + 80509^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-9385400077 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 (9385100077) 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 7 ways as a sum of consecutive naturals, for example, 73924 + ... + 155677.

It is an arithmetic number, because the mean of its divisors is an integer number (1202999679).

Almost surely, 2^9385400077 is an apocalyptic number.

It is an amenable number.

9385400077 is a deficient number, since it is larger than the sum of its proper divisors (238597355).

9385400077 is a wasteful number, since it uses less digits than its factorization.

9385400077 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 230639.

The product of its (nonzero) digits is 211680, while the sum is 43.

The square root of 9385400077 is about 96878.2745356254. The cubic root of 9385400077 is about 2109.3610875240.

The spelling of 9385400077 in words is "nine billion, three hundred eighty-five million, four hundred thousand, seventy-seven".