77103900 has 216 divisors, whose sum is σ = 265399680. Its totient is φ = 19362240.

The previous prime is 77103899. The next prime is 77103911. The reversal of 77103900 is 930177.

It is a super-2 number, since 2×77103900² = 11890022790420000, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 461617 + ... + 461783.

Almost surely, 2^77103900 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 77103900, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (132699840).

77103900 is an abundant number, since it is smaller than the sum of its proper divisors (188295780).

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

77103900 is a wasteful number, since it uses less digits than its factorization.

77103900 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 215 (or 196 counting only the distinct ones).

The product of its (nonzero) digits is 1323, while the sum is 27.

The square root of 77103900 is about 8780.8826435615. The cubic root of 77103900 is about 425.6233528629.

The spelling of 77103900 in words is "seventy-seven million, one hundred three thousand, nine hundred".