10540077678 has 24 divisors (see below), whose sum is σ = 24593515128. Its totient is φ = 3243100752.

The previous prime is 10540077661. The next prime is 10540077697. The reversal of 10540077678 is 87677004501.

10540077678 is a `hidden beast` number, since 105 + 400 + 7 + 76 + 78 = 666.

It is a super-2 number, since 2×10540077678² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 22521300 + ... + 22521767.

It is an arithmetic number, because the mean of its divisors is an integer number (1024729797).

Almost surely, 2^10540077678 is an apocalyptic number.

10540077678 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

10540077678 is an abundant number, since it is smaller than the sum of its proper divisors (14053437450).

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

10540077678 is a wasteful number, since it uses less digits than its factorization.

10540077678 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45043088 (or 45043085 counting only the distinct ones).

The product of its (nonzero) digits is 329280, while the sum is 45.

The spelling of 10540077678 in words is "ten billion, five hundred forty million, seventy-seven thousand, six hundred seventy-eight".