78260350 has 72 divisors (see below), whose sum is σ = 179385840. Its totient is φ = 25240320.

The previous prime is 78260339. The next prime is 78260381. The reversal of 78260350 is 5306287.

It is a super-2 number, since 2×78260350² = 12249364764245000, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 40711 + ... + 42589.

It is an arithmetic number, because the mean of its divisors is an integer number (2491470).

Almost surely, 2^78260350 is an apocalyptic number.

78260350 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

78260350 is an abundant number, since it is smaller than the sum of its proper divisors (101125490).

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

78260350 is a wasteful number, since it uses less digits than its factorization.

78260350 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1922 (or 1910 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 31.

The square root of 78260350 is about 8846.4880037222. The cubic root of 78260350 is about 427.7407191650.

The spelling of 78260350 in words is "seventy-eight million, two hundred sixty thousand, three hundred fifty".