10778449719 has 8 divisors (see below), whose sum is σ = 14387922432. Its totient is φ = 7177305080.

The previous prime is 10778449711. The next prime is 10778449763. The reversal of 10778449719 is 91794487701.

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

It is a cyclic number.

It is not a de Polignac number, because 10778449719 - 2³ = 10778449711 is a prime.

It is a super-2 number, since 2×10778449719² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10778449711) 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, 2078997 + ... + 2084174.

It is an arithmetic number, because the mean of its divisors is an integer number (1798490304).

Almost surely, 2^10778449719 is an apocalyptic number.

10778449719 is a deficient number, since it is larger than the sum of its proper divisors (3609472713).

10778449719 is an equidigital number, since it uses as much as digits as its factorization.

10778449719 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4164037.

The product of its (nonzero) digits is 3556224, while the sum is 57.

The spelling of 10778449719 in words is "ten billion, seven hundred seventy-eight million, four hundred forty-nine thousand, seven hundred nineteen".