116778772 has 24 divisors (see below), whose sum is σ = 224078400. Its totient is φ = 52810560.

The previous prime is 116778749. The next prime is 116778773. The reversal of 116778772 is 277877611.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (116778773) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2088 + ... + 15424.

It is an arithmetic number, because the mean of its divisors is an integer number (9336600).

Almost surely, 2^116778772 is an apocalyptic number.

It is an amenable number.

116778772 is a deficient number, since it is larger than the sum of its proper divisors (107299628).

116778772 is a wasteful number, since it uses less digits than its factorization.

116778772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13551 (or 13549 counting only the distinct ones).

The product of its digits is 230496, while the sum is 46.

The square root of 116778772 is about 10806.4227198458. The cubic root of 116778772 is about 488.7888622801.

It can be divided in two parts, 11677 and 8772, that added together give a square (20449 = 143²).

The spelling of 116778772 in words is "one hundred sixteen million, seven hundred seventy-eight thousand, seven hundred seventy-two".