77848042 has 8 divisors (see below), whose sum is σ = 116820000. Its totient is φ = 38908044.

The previous prime is 77848009. The next prime is 77848051. The reversal of 77848042 is 24084877.

It is a happy number.

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

It is a junction number, because it is equal to n+sod(n) for n = 77847986 and 77848004.

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, 492 + ... + 12487.

It is an arithmetic number, because the mean of its divisors is an integer number (14602500).

Almost surely, 2^77848042 is an apocalyptic number.

77848042 is a deficient number, since it is larger than the sum of its proper divisors (38971958).

77848042 is a wasteful number, since it uses less digits than its factorization.

77848042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15980.

The product of its (nonzero) digits is 100352, while the sum is 40.

The square root of 77848042 is about 8823.1537445519. The cubic root of 77848042 is about 426.9882242583.

The spelling of 77848042 in words is "seventy-seven million, eight hundred forty-eight thousand, forty-two".