77252448000 has 1152 divisors, whose sum is σ = 325700444160. Its totient is φ = 15792537600.

The previous prime is 77252447989. The next prime is 77252448011. The reversal of 77252448000 is 84425277.

It is an interprime number because it is at equal distance from previous prime (77252447989) and next prime (77252448011).

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a self number, because there is not a number n which added to its sum of digits gives 77252448000.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 323231881 + ... + 323232119.

It is an arithmetic number, because the mean of its divisors is an integer number (282726080).

Almost surely, 2^77252448000 is an apocalyptic number.

77252448000 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 77252448000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (162850222080).

77252448000 is an abundant number, since it is smaller than the sum of its proper divisors (248447996160).

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

77252448000 is a wasteful number, since it uses less digits than its factorization.

77252448000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 330 (or 306 counting only the distinct ones).

The product of its (nonzero) digits is 125440, while the sum is 39.

The spelling of 77252448000 in words is "seventy-seven billion, two hundred fifty-two million, four hundred forty-eight thousand".