78336464462 has 16 divisors (see below), whose sum is σ = 118060841472. Its totient is φ = 38982938040.

The previous prime is 78336464461. The next prime is 78336464467. The reversal of 78336464462 is 26446463387.

It is a happy number.

It is a super-2 number, since 2×78336464462² (a number of 23 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (53) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78336464461) 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, 1990637 + ... + 2029607.

It is an arithmetic number, because the mean of its divisors is an integer number (7378802592).

Almost surely, 2^78336464462 is an apocalyptic number.

78336464462 is a deficient number, since it is larger than the sum of its proper divisors (39724377010).

78336464462 is a wasteful number, since it uses less digits than its factorization.

78336464462 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43703.

The product of its digits is 13934592, while the sum is 53.

The spelling of 78336464462 in words is "seventy-eight billion, three hundred thirty-six million, four hundred sixty-four thousand, four hundred sixty-two".