401113777 has 4 divisors (see below), whose sum is σ = 402483060. Its totient is φ = 399744496.

The previous prime is 401113733. The next prime is 401113831. The reversal of 401113777 is 777311104.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 218566656 + 182547121 = 14784^2 + 13511^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-401113777 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (401113717) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 684202 + ... + 684787.

It is an arithmetic number, because the mean of its divisors is an integer number (100620765).

Almost surely, 2^401113777 is an apocalyptic number.

It is an amenable number.

401113777 is a deficient number, since it is larger than the sum of its proper divisors (1369283).

401113777 is a wasteful number, since it uses less digits than its factorization.

401113777 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1369282.

The product of its (nonzero) digits is 4116, while the sum is 31.

The square root of 401113777 is about 20027.8250691382. The cubic root of 401113777 is about 737.4895309057.

The spelling of 401113777 in words is "four hundred one million, one hundred thirteen thousand, seven hundred seventy-seven".