76228820842 has 4 divisors (see below), whose sum is σ = 114343231266. Its totient is φ = 38114410420.

The previous prime is 76228820821. The next prime is 76228820881. The reversal of 76228820842 is 24802882267.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 24802882267 = 1063 ⋅23332909.

It can be written as a sum of positive squares in only one way, i.e., 57016365961 + 19212454881 = 238781^2 + 138609^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19057205209 + ... + 19057205212.

Almost surely, 2^76228820842 is an apocalyptic number.

76228820842 is a deficient number, since it is larger than the sum of its proper divisors (38114410424).

76228820842 is a wasteful number, since it uses less digits than its factorization.

76228820842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38114410423.

The product of its (nonzero) digits is 1376256, while the sum is 49.

The spelling of 76228820842 in words is "seventy-six billion, two hundred twenty-eight million, eight hundred twenty thousand, eight hundred forty-two".