77893116 has 48 divisors (see below), whose sum is σ = 219937536. Its totient is φ = 20945664.

The previous prime is 77893091. The next prime is 77893129. The reversal of 77893116 is 61139877.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

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, 25846 + ... + 28701.

It is an arithmetic number, because the mean of its divisors is an integer number (4582032).

Almost surely, 2^77893116 is an apocalyptic number.

It is an amenable number.

77893116 is an abundant number, since it is smaller than the sum of its proper divisors (142044420).

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

77893116 is a wasteful number, since it uses less digits than its factorization.

77893116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54578 (or 54576 counting only the distinct ones).

The product of its digits is 63504, while the sum is 42.

The square root of 77893116 is about 8825.7076770081. The cubic root of 77893116 is about 427.0706170560.

The spelling of 77893116 in words is "seventy-seven million, eight hundred ninety-three thousand, one hundred sixteen".