78465515334022 has 16 divisors (see below), whose sum is σ = 118457556636960. Its totient is φ = 38979703683648.

The previous prime is 78465515334001. The next prime is 78465515334029. The reversal of 78465515334022 is 22043351556487.

It is a super-2 number, since 2×78465515334022² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78465515334029) 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 7 ways as a sum of consecutive naturals, for example, 6262938 + ... + 14005549.

It is an arithmetic number, because the mean of its divisors is an integer number (7403597289810).

Almost surely, 2^{78465515334022} is an apocalyptic number.

78465515334022 is a deficient number, since it is larger than the sum of its proper divisors (39992041302938).

78465515334022 is a wasteful number, since it uses less digits than its factorization.

78465515334022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20280975.

The product of its (nonzero) digits is 24192000, while the sum is 55.

The spelling of 78465515334022 in words is "seventy-eight trillion, four hundred sixty-five billion, five hundred fifteen million, three hundred thirty-four thousand, twenty-two".