78098830 has 16 divisors (see below), whose sum is σ = 140698944. Its totient is φ = 31212640.

The previous prime is 78098807. The next prime is 78098843. The reversal of 78098830 is 3889087.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12315 + ... + 17545.

It is an arithmetic number, because the mean of its divisors is an integer number (8793684).

Almost surely, 2^78098830 is an apocalyptic number.

78098830 is a deficient number, since it is larger than the sum of its proper divisors (62600114).

78098830 is a wasteful number, since it uses less digits than its factorization.

78098830 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6731.

The product of its (nonzero) digits is 96768, while the sum is 43.

The square root of 78098830 is about 8837.3542420795. The cubic root of 78098830 is about 427.4462479298.

The spelling of 78098830 in words is "seventy-eight million, ninety-eight thousand, eight hundred thirty".