77500104 has 64 divisors (see below), whose sum is σ = 216311040. Its totient is φ = 22935360.

The previous prime is 77500103. The next prime is 77500109. The reversal of 77500104 is 40100577.

It is a super-2 number, since 2×77500104² = 12012532240021632, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is not an unprimeable number, because it can be changed into a prime (77500103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7939 + ... + 14765.

It is an arithmetic number, because the mean of its divisors is an integer number (3379860).

Almost surely, 2^77500104 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 77500104, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (108155520).

77500104 is an abundant number, since it is smaller than the sum of its proper divisors (138810936).

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

77500104 is a wasteful number, since it uses less digits than its factorization.

77500104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6890 (or 6886 counting only the distinct ones).

The product of its (nonzero) digits is 980, while the sum is 24.

The square root of 77500104 is about 8803.4143376306. The cubic root of 77500104 is about 426.3511398758.

The spelling of 77500104 in words is "seventy-seven million, five hundred thousand, one hundred four".