78881463608435 has 32 divisors (see below), whose sum is σ = 96808033586880. Its totient is φ = 61684156896768.

The previous prime is 78881463608407. The next prime is 78881463608459. The reversal of 78881463608435 is 53480636418887.

It is a cyclic number.

It is not a de Polignac number, because 78881463608435 - 2¹⁶ = 78881463542899 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 97987829 + ... + 98789561.

It is an arithmetic number, because the mean of its divisors is an integer number (3025251049590).

Almost surely, 2^{78881463608435} is an apocalyptic number.

78881463608435 is a deficient number, since it is larger than the sum of its proper divisors (17926569978445).

78881463608435 is a wasteful number, since it uses less digits than its factorization.

78881463608435 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 803687.

The product of its (nonzero) digits is 743178240, while the sum is 71.

The spelling of 78881463608435 in words is "seventy-eight trillion, eight hundred eighty-one billion, four hundred sixty-three million, six hundred eight thousand, four hundred thirty-five".