78872758 has 8 divisors (see below), whose sum is σ = 125268552. Its totient is φ = 37116576.

The previous prime is 78872749. The next prime is 78872771. The reversal of 78872758 is 85727887.

It is a happy number.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1159860 + ... + 1159927.

It is an arithmetic number, because the mean of its divisors is an integer number (15658569).

Almost surely, 2^78872758 is an apocalyptic number.

78872758 is a deficient number, since it is larger than the sum of its proper divisors (46395794).

78872758 is a wasteful number, since it uses less digits than its factorization.

78872758 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2319806.

The product of its digits is 1756160, while the sum is 52.

The square root of 78872758 is about 8881.0336110162. The cubic root of 78872758 is about 428.8535496618.

The spelling of 78872758 in words is "seventy-eight million, eight hundred seventy-two thousand, seven hundred fifty-eight".