118622517477 has 16 divisors (see below), whose sum is σ = 158362276800. Its totient is φ = 78982272000.

The previous prime is 118622517469. The next prime is 118622517509. The reversal of 118622517477 is 774715226811.

It is not a de Polignac number, because 118622517477 - 2³ = 118622517469 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (118622517677) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15709899 + ... + 15717447.

It is an arithmetic number, because the mean of its divisors is an integer number (9897642300).

Almost surely, 2^118622517477 is an apocalyptic number.

It is an amenable number.

118622517477 is a deficient number, since it is larger than the sum of its proper divisors (39739759323).

118622517477 is a wasteful number, since it uses less digits than its factorization.

118622517477 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13444.

The product of its digits is 1317120, while the sum is 51.

The spelling of 118622517477 in words is "one hundred eighteen billion, six hundred twenty-two million, five hundred seventeen thousand, four hundred seventy-seven".