78462655832145 has 32 divisors (see below), whose sum is σ = 135198625629312. Its totient is φ = 38627359299072.

The previous prime is 78462655832089. The next prime is 78462655832153. The reversal of 78462655832145 is 54123855626487.

It is not a de Polignac number, because 78462655832145 - 2¹³ = 78462655823953 is a prime.

It is a Smith number, since the sum of its digits (66) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

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, 16723354 + ... + 20894876.

It is an arithmetic number, because the mean of its divisors is an integer number (4224957050916).

Almost surely, 2^{78462655832145} is an apocalyptic number.

It is an amenable number.

78462655832145 is a deficient number, since it is larger than the sum of its proper divisors (56735969797167).

78462655832145 is a wasteful number, since it uses less digits than its factorization.

78462655832145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4268001.

The product of its digits is 387072000, while the sum is 66.

The spelling of 78462655832145 in words is "seventy-eight trillion, four hundred sixty-two billion, six hundred fifty-five million, eight hundred thirty-two thousand, one hundred forty-five".