78264546304 has 176 divisors, whose sum is σ = 188886286336. Its totient is φ = 31701196800.

The previous prime is 78264546281. The next prime is 78264546307. The reversal of 78264546304 is 40364546287.

It is a super-2 number, since 2×78264546304² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78264546307) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9550849 + ... + 9559039.

It is an arithmetic number, because the mean of its divisors is an integer number (1073217536).

Almost surely, 2^78264546304 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 78264546304, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (94443143168).

78264546304 is an abundant number, since it is smaller than the sum of its proper divisors (110621740032).

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

78264546304 is a wasteful number, since it uses less digits than its factorization.

78264546304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8292 (or 8274 counting only the distinct ones).

The product of its (nonzero) digits is 3870720, while the sum is 49.

The spelling of 78264546304 in words is "seventy-eight billion, two hundred sixty-four million, five hundred forty-six thousand, three hundred four".