400073112777 has 8 divisors (see below), whose sum is σ = 574463956864. Its totient is φ = 246198838608.

The previous prime is 400073112667. The next prime is 400073112781. The reversal of 400073112777 is 777211370004.

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

It is not a de Polignac number, because 400073112777 - 2¹¹ = 400073110729 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39), and also a Moran number because the ratio is a prime number: 10258284943 = 400073112777 / (4 + 0 + 0 + 0 + 7 + 3 + 1 + 1 + 2 + 7 + 7 + 7).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (400073112977) 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, 5129142433 + ... + 5129142510.

It is an arithmetic number, because the mean of its divisors is an integer number (71807994608).

Almost surely, 2^400073112777 is an apocalyptic number.

It is an amenable number.

400073112777 is a deficient number, since it is larger than the sum of its proper divisors (174390844087).

400073112777 is a wasteful number, since it uses less digits than its factorization.

400073112777 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10258284959.

The product of its (nonzero) digits is 57624, while the sum is 39.

The spelling of 400073112777 in words is "four hundred billion, seventy-three million, one hundred twelve thousand, seven hundred seventy-seven".