77701036 has 48 divisors (see below), whose sum is σ = 160876800. Its totient is φ = 32142528.

The previous prime is 77701009. The next prime is 77701049. The reversal of 77701036 is 63010777.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 77700989 and 77701007.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 185235 + ... + 185653.

It is an arithmetic number, because the mean of its divisors is an integer number (3351600).

Almost surely, 2^77701036 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 77701036, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (80438400).

77701036 is an abundant number, since it is smaller than the sum of its proper divisors (83175764).

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

77701036 is a wasteful number, since it uses less digits than its factorization.

77701036 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 646 (or 644 counting only the distinct ones).

The product of its (nonzero) digits is 6174, while the sum is 31.

The square root of 77701036 is about 8814.8191132887. The cubic root of 77701036 is about 426.7192841467.

The spelling of 77701036 in words is "seventy-seven million, seven hundred one thousand, thirty-six".