2778058401 has 8 divisors (see below), whose sum is σ = 3764800704. Its totient is φ = 1821677520.

The previous prime is 2778058391. The next prime is 2778058411. The reversal of 2778058401 is 1048508772.

2778058401 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (2778058391) and next prime (2778058411).

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

It is not a de Polignac number, because 2778058401 - 2⁶ = 2778058337 is a prime.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (2778058411) 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, 7590141 + ... + 7590506.

It is an arithmetic number, because the mean of its divisors is an integer number (470600088).

Almost surely, 2^2778058401 is an apocalyptic number.

It is an amenable number.

2778058401 is a deficient number, since it is larger than the sum of its proper divisors (986742303).

2778058401 is a wasteful number, since it uses less digits than its factorization.

2778058401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15180711.

The product of its (nonzero) digits is 125440, while the sum is 42.

The square root of 2778058401 is about 52707.2898278786. The cubic root of 2778058401 is about 1405.7684446007.

The spelling of 2778058401 in words is "two billion, seven hundred seventy-eight million, fifty-eight thousand, four hundred one".