78508962 has 48 divisors (see below), whose sum is σ = 194987520. Its totient is φ = 22363776.

The previous prime is 78508961. The next prime is 78508967. The reversal of 78508962 is 26980587.

It is a super-2 number, since 2×78508962² = 12327314228634888, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (78508961) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 53839 + ... + 55277.

It is an arithmetic number, because the mean of its divisors is an integer number (4062240).

Almost surely, 2^78508962 is an apocalyptic number.

78508962 is an abundant number, since it is smaller than the sum of its proper divisors (116478558).

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

78508962 is a wasteful number, since it uses less digits than its factorization.

78508962 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1887 (or 1884 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 45.

The square root of 78508962 is about 8860.5283138197. The cubic root of 78508962 is about 428.1931793100.

The spelling of 78508962 in words is "seventy-eight million, five hundred eight thousand, nine hundred sixty-two".