77325063863280 has 160 divisors (see below), whose sum is σ = 241851589418304. Its totient is φ = 20435630358528.

The previous prime is 77325063863249. The next prime is 77325063863287. The reversal of 77325063863280 is 8236836052377.

It is a hoax number, since the sum of its digits (60) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (60).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (77325063863287) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 302992692 + ... + 303247788.

Almost surely, 2^{77325063863280} 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 77325063863280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (120925794709152).

77325063863280 is an abundant number, since it is smaller than the sum of its proper divisors (164526525555024).

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

77325063863280 is a wasteful number, since it uses less digits than its factorization.

77325063863280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 266403 (or 266397 counting only the distinct ones).

The product of its (nonzero) digits is 60963840, while the sum is 60.

The spelling of 77325063863280 in words is "seventy-seven trillion, three hundred twenty-five billion, sixty-three million, eight hundred sixty-three thousand, two hundred eighty".