10778757450 has 48 divisors (see below), whose sum is σ = 26744600736. Its totient is φ = 2872907200.

The previous prime is 10778757371. The next prime is 10778757487. The reversal of 10778757450 is 5475787701.

It is a super-2 number, since 2×10778757450² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 10778757393 and 10778757402.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 304369 + ... + 337931.

It is an arithmetic number, because the mean of its divisors is an integer number (557179182).

Almost surely, 2^10778757450 is an apocalyptic number.

10778757450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

10778757450 is an abundant number, since it is smaller than the sum of its proper divisors (15965843286).

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

10778757450 is a wasteful number, since it uses less digits than its factorization.

10778757450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35719 (or 35714 counting only the distinct ones).

The product of its (nonzero) digits is 1920800, while the sum is 51.

The spelling of 10778757450 in words is "ten billion, seven hundred seventy-eight million, seven hundred fifty-seven thousand, four hundred fifty".