77496216 has 128 divisors (see below), whose sum is σ = 230169600. Its totient is φ = 21288960.

The previous prime is 77496203. The next prime is 77496227. The reversal of 77496216 is 61269477.

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 31 ways as a sum of consecutive naturals, for example, 870700 + ... + 870788.

It is an arithmetic number, because the mean of its divisors is an integer number (1798200).

Almost surely, 2^77496216 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 77496216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (115084800).

77496216 is an abundant number, since it is smaller than the sum of its proper divisors (152673384).

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

77496216 is a wasteful number, since it uses less digits than its factorization.

77496216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 249 (or 245 counting only the distinct ones).

The product of its digits is 127008, while the sum is 42.

The square root of 77496216 is about 8803.1935114480. The cubic root of 77496216 is about 426.3440100748.

The spelling of 77496216 in words is "seventy-seven million, four hundred ninety-six thousand, two hundred sixteen".