76820158 has 4 divisors (see below), whose sum is σ = 115230240. Its totient is φ = 38410078.

The previous prime is 76820143. The next prime is 76820189. The reversal of 76820158 is 85102867.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19205038 + ... + 19205041.

It is an arithmetic number, because the mean of its divisors is an integer number (28807560).

Almost surely, 2^76820158 is an apocalyptic number.

76820158 is a deficient number, since it is larger than the sum of its proper divisors (38410082).

76820158 is a wasteful number, since it uses less digits than its factorization.

76820158 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38410081.

The product of its (nonzero) digits is 26880, while the sum is 37.

The square root of 76820158 is about 8764.7109478864. The cubic root of 76820158 is about 425.1006137799.

It can be divided in two parts, 7 and 6820158, that multiplied together give a triangular number (47741106 = T₉₇₇₁).

The spelling of 76820158 in words is "seventy-six million, eight hundred twenty thousand, one hundred fifty-eight".