118994477 has 4 divisors (see below), whose sum is σ = 135993696. Its totient is φ = 101995260.

The previous prime is 118994471. The next prime is 118994483. The reversal of 118994477 is 774499811.

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: 774499811 = 373 ⋅2076407.

It is an interprime number because it is at equal distance from previous prime (118994471) and next prime (118994483).

It is a cyclic number.

It is not a de Polignac number, because 118994477 - 2⁶ = 118994413 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (118994471) 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, 8499599 + ... + 8499612.

It is an arithmetic number, because the mean of its divisors is an integer number (33998424).

Almost surely, 2^118994477 is an apocalyptic number.

It is an amenable number.

118994477 is a deficient number, since it is larger than the sum of its proper divisors (16999219).

118994477 is an equidigital number, since it uses as much as digits as its factorization.

118994477 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16999218.

The product of its digits is 508032, while the sum is 50.

The square root of 118994477 is about 10908.4589654085. The cubic root of 118994477 is about 491.8608638335.

The spelling of 118994477 in words is "one hundred eighteen million, nine hundred ninety-four thousand, four hundred seventy-seven".