118978506677 has 8 divisors (see below), whose sum is σ = 121918608000. Its totient is φ = 116040223840.

The previous prime is 118978506637. The next prime is 118978506701. The reversal of 118978506677 is 776605879811.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 118978506677 - 2⁶ = 118978506613 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 (118978506637) 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, 321677 + ... + 584322.

It is an arithmetic number, because the mean of its divisors is an integer number (15239826000).

Almost surely, 2^118978506677 is an apocalyptic number.

It is an amenable number.

118978506677 is a deficient number, since it is larger than the sum of its proper divisors (2940101323).

118978506677 is an equidigital number, since it uses as much as digits as its factorization.

118978506677 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 909243.

The product of its (nonzero) digits is 35562240, while the sum is 65.

The spelling of 118978506677 in words is "one hundred eighteen billion, nine hundred seventy-eight million, five hundred six thousand, six hundred seventy-seven".