92428197978 has 8 divisors (see below), whose sum is σ = 184856395968. Its totient is φ = 30809399324.

The previous prime is 92428197977. The next prime is 92428198003. The reversal of 92428197978 is 87979182429.

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

92428197978 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (92428197977) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7702349826 + ... + 7702349837.

It is an arithmetic number, because the mean of its divisors is an integer number (23107049496).

Almost surely, 2^92428197978 is an apocalyptic number.

92428197978 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

92428197978 is a wasteful number, since it uses less digits than its factorization.

92428197978 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15404699668.

The product of its digits is 36578304, while the sum is 66.

The spelling of 92428197978 in words is "ninety-two billion, four hundred twenty-eight million, one hundred ninety-seven thousand, nine hundred seventy-eight".