78970950 has 240 divisors, whose sum is σ = 246305664. Its totient is φ = 18662400.

The previous prime is 78970949. The next prime is 78970979. The reversal of 78970950 is 5907987.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a junction number, because it is equal to n+sod(n) for n = 78970896 and 78970905.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 119 ways as a sum of consecutive naturals, for example, 2134332 + ... + 2134368.

Almost surely, 2^78970950 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 78970950, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (123152832).

78970950 is an abundant number, since it is smaller than the sum of its proper divisors (167334714).

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

78970950 is a wasteful number, since it uses less digits than its factorization.

78970950 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109 (or 95 counting only the distinct ones).

The product of its (nonzero) digits is 158760, while the sum is 45.

The square root of 78970950 is about 8886.5600768801. The cubic root of 78970950 is about 429.0314417759.

The spelling of 78970950 in words is "seventy-eight million, nine hundred seventy thousand, nine hundred fifty".