78153532716 has 48 divisors (see below), whose sum is σ = 215595959040. Its totient is φ = 21559594560.

The previous prime is 78153532711. The next prime is 78153532739. The reversal of 78153532716 is 61723535187.

It is a super-2 number, since 2×78153532716² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (78153532711) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16038930 + ... + 16043801.

It is an arithmetic number, because the mean of its divisors is an integer number (4491582480).

Almost surely, 2^78153532716 is an apocalyptic number.

It is an amenable number.

78153532716 is an abundant number, since it is smaller than the sum of its proper divisors (137442426324).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

78153532716 is a wasteful number, since it uses less digits than its factorization.

78153532716 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32082774 (or 32082772 counting only the distinct ones).

The product of its digits is 1058400, while the sum is 48.

The spelling of 78153532716 in words is "seventy-eight billion, one hundred fifty-three million, five hundred thirty-two thousand, seven hundred sixteen".