77908300368 has 80 divisors (see below), whose sum is σ = 207796033536. Its totient is φ = 25136455680.

The previous prime is 77908300367. The next prime is 77908300369. The reversal of 77908300368 is 86300380977.

It is an interprime number because it is at equal distance from previous prime (77908300367) and next prime (77908300369).

It is a self number, because there is not a number n which added to its sum of digits gives 77908300368.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (77908300367) 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, 94080 + ... + 405792.

Almost surely, 2^77908300368 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 77908300368, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (103898016768).

77908300368 is an abundant number, since it is smaller than the sum of its proper divisors (129887733168).

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

77908300368 is a wasteful number, since it uses less digits than its factorization.

77908300368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 311892 (or 311886 counting only the distinct ones).

The product of its (nonzero) digits is 1524096, while the sum is 51.

The spelling of 77908300368 in words is "seventy-seven billion, nine hundred eight million, three hundred thousand, three hundred sixty-eight".