77101703448 has 576 divisors, whose sum is σ = 269618025600. Its totient is φ = 18116904960.

The previous prime is 77101703407. The next prime is 77101703597. The reversal of 77101703448 is 84430710177.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 130019440 + ... + 130020032.

It is an arithmetic number, because the mean of its divisors is an integer number (468086850).

Almost surely, 2^77101703448 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 77101703448, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (134809012800).

77101703448 is an abundant number, since it is smaller than the sum of its proper divisors (192516322152).

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

77101703448 is a wasteful number, since it uses less digits than its factorization.

77101703448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 692 (or 658 counting only the distinct ones).

The product of its (nonzero) digits is 131712, while the sum is 42.

The spelling of 77101703448 in words is "seventy-seven billion, one hundred one million, seven hundred three thousand, four hundred forty-eight".