77716350 has 72 divisors (see below), whose sum is σ = 221101920. Its totient is φ = 19503360.

The previous prime is 77716343. The next prime is 77716357. The reversal of 77716350 is 5361777.

It is an interprime number because it is at equal distance from previous prime (77716343) and next prime (77716357).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (77716357) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 2571 + ... + 12729.

It is an arithmetic number, because the mean of its divisors is an integer number (3070860).

Almost surely, 2^77716350 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 77716350, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (110550960).

77716350 is an abundant number, since it is smaller than the sum of its proper divisors (143385570).

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

77716350 is a wasteful number, since it uses less digits than its factorization.

77716350 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10194 (or 10186 counting only the distinct ones).

The product of its (nonzero) digits is 30870, while the sum is 36.

The square root of 77716350 is about 8815.6877213295. The cubic root of 77716350 is about 426.7473161618.

The spelling of 77716350 in words is "seventy-seven million, seven hundred sixteen thousand, three hundred fifty".