77616850 has 12 divisors (see below), whose sum is σ = 144367434. Its totient is φ = 31046720.

The previous prime is 77616841. The next prime is 77616853. The reversal of 77616850 is 5861677.

It can be written as a sum of positive squares in 3 ways, for example, as 34727449 + 42889401 = 5893^2 + 6549^2 .

It is not an unprimeable number, because it can be changed into a prime (77616853) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 776119 + ... + 776218.

Almost surely, 2^77616850 is an apocalyptic number.

77616850 is a deficient number, since it is larger than the sum of its proper divisors (66750584).

77616850 is a wasteful number, since it uses less digits than its factorization.

77616850 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1552349 (or 1552344 counting only the distinct ones).

The product of its (nonzero) digits is 70560, while the sum is 40.

The square root of 77616850 is about 8810.0425651639. The cubic root of 77616850 is about 426.5651172985.

The spelling of 77616850 in words is "seventy-seven million, six hundred sixteen thousand, eight hundred fifty".