78152071474235 has 128 divisors (see below), whose sum is σ = 112892374425600. Its totient is φ = 51273077760000.

The previous prime is 78152071474231. The next prime is 78152071474247. The reversal of 78152071474235 is 53247417025187.

It is not a de Polignac number, because 78152071474235 - 2² = 78152071474231 is a prime.

It is a super-2 number, since 2×78152071474235² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (78152071474231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 13708481885 + ... + 13708487585.

It is an arithmetic number, because the mean of its divisors is an integer number (881971675200).

Almost surely, 2^{78152071474235} is an apocalyptic number.

78152071474235 is a deficient number, since it is larger than the sum of its proper divisors (34740302951365).

78152071474235 is a wasteful number, since it uses less digits than its factorization.

78152071474235 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10213.

The product of its (nonzero) digits is 13171200, while the sum is 56.

The spelling of 78152071474235 in words is "seventy-eight trillion, one hundred fifty-two billion, seventy-one million, four hundred seventy-four thousand, two hundred thirty-five".