77250008 has 32 divisors (see below), whose sum is σ = 164885760. Its totient is φ = 33586080.

The previous prime is 77250007. The next prime is 77250011. The reversal of 77250008 is 80005277.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (77250007) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17060 + ... + 21107.

It is an arithmetic number, because the mean of its divisors is an integer number (5152680).

Almost surely, 2^77250008 is an apocalyptic number.

It is an amenable number.

77250008 is an abundant number, since it is smaller than the sum of its proper divisors (87635752).

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

77250008 is a wasteful number, since it uses less digits than its factorization.

77250008 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38207 (or 38203 counting only the distinct ones).

The product of its (nonzero) digits is 3920, while the sum is 29.

The square root of 77250008 is about 8789.1983707276. The cubic root of 77250008 is about 425.8920281514.

The spelling of 77250008 in words is "seventy-seven million, two hundred fifty thousand, eight".