118778701 has 4 divisors (see below), whose sum is σ = 122610304. Its totient is φ = 114947100.

The previous prime is 118778689. The next prime is 118778719. The reversal of 118778701 is 107877811.

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: 107877811 = 223 ⋅483757.

It is a cyclic number.

It is not a de Polignac number, because 118778701 - 2⁷ = 118778573 is a prime.

It is a super-2 number, since 2×118778701² = 28216759622494802, 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 (118778501) 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, 1915755 + ... + 1915816.

It is an arithmetic number, because the mean of its divisors is an integer number (30652576).

Almost surely, 2^118778701 is an apocalyptic number.

It is an amenable number.

118778701 is a deficient number, since it is larger than the sum of its proper divisors (3831603).

118778701 is an equidigital number, since it uses as much as digits as its factorization.

118778701 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3831602.

The product of its (nonzero) digits is 21952, while the sum is 40.

The square root of 118778701 is about 10898.5641714861. The cubic root of 118778701 is about 491.5633822817.

The spelling of 118778701 in words is "one hundred eighteen million, seven hundred seventy-eight thousand, seven hundred one".