78948951 has 8 divisors (see below), whose sum is σ = 105409920. Its totient is φ = 52560312.

The previous prime is 78948941. The next prime is 78948953. The reversal of 78948951 is 15984987.

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

It is not a de Polignac number, because 78948951 - 2¹⁰ = 78947927 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 78948894 and 78948903.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78948953) 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, 15481 + ... + 19938.

It is an arithmetic number, because the mean of its divisors is an integer number (13176240).

Almost surely, 2^78948951 is an apocalyptic number.

78948951 is a deficient number, since it is larger than the sum of its proper divisors (26460969).

78948951 is a wasteful number, since it uses less digits than its factorization.

78948951 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36165.

The product of its digits is 725760, while the sum is 51.

The square root of 78948951 is about 8885.3222226321. The cubic root of 78948951 is about 428.9915995334.

The spelling of 78948951 in words is "seventy-eight million, nine hundred forty-eight thousand, nine hundred fifty-one".