78382898 has 32 divisors (see below), whose sum is σ = 133455168. Its totient is φ = 34214400.

The previous prime is 78382879. The next prime is 78382921. The reversal of 78382898 is 89828387.

It is a super-2 number, since 2×78382898² = 12287757397756808, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 59786 + ... + 61082.

It is an arithmetic number, because the mean of its divisors is an integer number (4170474).

Almost surely, 2^78382898 is an apocalyptic number.

78382898 is a deficient number, since it is larger than the sum of its proper divisors (55072270).

78382898 is a wasteful number, since it uses less digits than its factorization.

78382898 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1418.

The product of its digits is 1548288, while the sum is 53.

The square root of 78382898 is about 8853.4116587901. The cubic root of 78382898 is about 427.9638693406.

The spelling of 78382898 in words is "seventy-eight million, three hundred eighty-two thousand, eight hundred ninety-eight".