77896198 has 8 divisors (see below), whose sum is σ = 117034920. Its totient is φ = 38884560.

The previous prime is 77896171. The next prime is 77896223. The reversal of 77896198 is 89169877.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30223 + ... + 32698.

It is an arithmetic number, because the mean of its divisors is an integer number (14629365).

Almost surely, 2^77896198 is an apocalyptic number.

77896198 is a deficient number, since it is larger than the sum of its proper divisors (39138722).

77896198 is a wasteful number, since it uses less digits than its factorization.

77896198 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63542.

The product of its digits is 1524096, while the sum is 55.

The square root of 77896198 is about 8825.8822788433. The cubic root of 77896198 is about 427.0762496217.

The spelling of 77896198 in words is "seventy-seven million, eight hundred ninety-six thousand, one hundred ninety-eight".