118773477 has 18 divisors (see below), whose sum is σ = 175149702. Its totient is φ = 77532624.

The previous prime is 118773463. The next prime is 118773497. The reversal of 118773477 is 774377811.

It can be written as a sum of positive squares in only one way, i.e., 109809441 + 8964036 = 10479^2 + 2994^2 .

It is a de Polignac number, because none of the positive numbers 2^k-118773477 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (118773497) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 237774 + ... + 238272.

It is an arithmetic number, because the mean of its divisors is an integer number (9730539).

Almost surely, 2^118773477 is an apocalyptic number.

It is an amenable number.

118773477 is a deficient number, since it is larger than the sum of its proper divisors (56376225).

118773477 is an frugal number, since it uses more digits than its factorization.

118773477 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1057 (or 555 counting only the distinct ones).

The product of its digits is 230496, while the sum is 45.

The square root of 118773477 is about 10898.3245042529. The cubic root of 118773477 is about 491.5561757014.

It can be divided in two parts, 1187734 and 77, that added together give a palindrome (1187811).

The spelling of 118773477 in words is "one hundred eighteen million, seven hundred seventy-three thousand, four hundred seventy-seven".