118828477 has 4 divisors (see below), whose sum is σ = 118987456. Its totient is φ = 118669500.

The previous prime is 118828429. The next prime is 118828481. The reversal of 118828477 is 774828811.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 774828811 = 2953 ⋅262387.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-118828477 is a prime.

It is a super-2 number, since 2×118828477² = 28240413892279058, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (118828417) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 78363 + ... + 79864.

It is an arithmetic number, because the mean of its divisors is an integer number (29746864).

Almost surely, 2^118828477 is an apocalyptic number.

It is an amenable number.

118828477 is a deficient number, since it is larger than the sum of its proper divisors (158979).

118828477 is an equidigital number, since it uses as much as digits as its factorization.

118828477 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 158978.

The product of its digits is 200704, while the sum is 46.

The square root of 118828477 is about 10900.8475358570. The cubic root of 118828477 is about 491.6320383668.

The spelling of 118828477 in words is "one hundred eighteen million, eight hundred twenty-eight thousand, four hundred seventy-seven".