78956748 has 48 divisors (see below), whose sum is σ = 220452960. Its totient is φ = 24293952.

The previous prime is 78956743. The next prime is 78956749. The reversal of 78956748 is 84765987.

78956748 is a `hidden beast` number, since 78 + 9 + 567 + 4 + 8 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a junction number, because it is equal to n+sod(n) for n = 78956694 and 78956703.

It is not an unprimeable number, because it can be changed into a prime (78956743) 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, 26715 + ... + 29522.

It is an arithmetic number, because the mean of its divisors is an integer number (4592770).

Almost surely, 2^78956748 is an apocalyptic number.

78956748 is a gapful number since it is divisible by the number (78) formed by its first and last digit.

It is an amenable number.

78956748 is an abundant number, since it is smaller than the sum of its proper divisors (141496212).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

78956748 is a wasteful number, since it uses less digits than its factorization.

78956748 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56263 (or 56255 counting only the distinct ones).

The product of its digits is 3386880, while the sum is 54.

The square root of 78956748 is about 8885.7609691011. The cubic root of 78956748 is about 429.0057214749.

The spelling of 78956748 in words is "seventy-eight million, nine hundred fifty-six thousand, seven hundred forty-eight".