77400104 has 8 divisors (see below), whose sum is σ = 145125210. Its totient is φ = 38700048.

The previous prime is 77400097. The next prime is 77400107. The reversal of 77400104 is 40100477.

It can be written as a sum of positive squares in only one way, i.e., 76912900 + 487204 = 8770^2 + 698^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a self number, because there is not a number n which added to its sum of digits gives 77400104.

It is not an unprimeable number, because it can be changed into a prime (77400107) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4837499 + ... + 4837514.

Almost surely, 2^77400104 is an apocalyptic number.

It is an amenable number.

77400104 is a deficient number, since it is larger than the sum of its proper divisors (67725106).

77400104 is a wasteful number, since it uses less digits than its factorization.

77400104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9675019 (or 9675015 counting only the distinct ones).

The product of its (nonzero) digits is 784, while the sum is 23.

The square root of 77400104 is about 8797.7328897847. The cubic root of 77400104 is about 426.1676843594.

The spelling of 77400104 in words is "seventy-seven million, four hundred thousand, one hundred four".