10778977360 has 40 divisors (see below), whose sum is σ = 25098266376. Its totient is φ = 4305200640.

The previous prime is 10778977333. The next prime is 10778977361. The reversal of 10778977360 is 6377987701.

It can be written as a sum of positive squares in 4 ways, for example, as 1345128976 + 9433848384 = 36676^2 + 97128^2 .

It is a tau number, because it is divible by the number of its divisors (40).

It is a Smith number, since the sum of its digits (55) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10778977361) 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, 45351 + ... + 153670.

Almost surely, 2^10778977360 is an apocalyptic number.

10778977360 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10778977360 is an abundant number, since it is smaller than the sum of its proper divisors (14319289016).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

10778977360 is a wasteful number, since it uses less digits than its factorization.

10778977360 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 199711 (or 199705 counting only the distinct ones).

The product of its (nonzero) digits is 3111696, while the sum is 55.

The spelling of 10778977360 in words is "ten billion, seven hundred seventy-eight million, nine hundred seventy-seven thousand, three hundred sixty".