81078414035 has 16 divisors (see below), whose sum is σ = 97526116800. Its totient is φ = 64708162176.

The previous prime is 81078414023. The next prime is 81078414037. The reversal of 81078414035 is 53041487018.

It is a cyclic number.

It is not a de Polignac number, because 81078414035 - 2¹⁶ = 81078348499 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 81078413983 and 81078414001.

It is not an unprimeable number, because it can be changed into a prime (81078414037) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7907282 + ... + 7917528.

It is an arithmetic number, because the mean of its divisors is an integer number (6095382300).

Almost surely, 2^81078414035 is an apocalyptic number.

81078414035 is a deficient number, since it is larger than the sum of its proper divisors (16447702765).

81078414035 is a wasteful number, since it uses less digits than its factorization.

81078414035 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13870.

The product of its (nonzero) digits is 107520, while the sum is 41.

The spelling of 81078414035 in words is "eighty-one billion, seventy-eight million, four hundred fourteen thousand, thirty-five".