8961405430078 has 16 divisors (see below), whose sum is σ = 13545950496624. Its totient is φ = 4446196937280.

The previous prime is 8961405430073. The next prime is 8961405430091. The reversal of 8961405430078 is 8700345041698.

8961405430078 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8961405430073) 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, 26919100 + ... + 27249967.

It is an arithmetic number, because the mean of its divisors is an integer number (846621906039).

Almost surely, 2^{8961405430078} is an apocalyptic number.

8961405430078 is a deficient number, since it is larger than the sum of its proper divisors (4584545066546).

8961405430078 is a wasteful number, since it uses less digits than its factorization.

8961405430078 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54169707.

The product of its (nonzero) digits is 5806080, while the sum is 55.

The spelling of 8961405430078 in words is "eight trillion, nine hundred sixty-one billion, four hundred five million, four hundred thirty thousand, seventy-eight".