83146764210742 has 4 divisors (see below), whose sum is σ = 124720146316116. Its totient is φ = 41573382105370.

The previous prime is 83146764210737. The next prime is 83146764210787. The reversal of 83146764210742 is 24701246764138.

It is a happy number.

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, 20786691052684 + ... + 20786691052687.

It is an arithmetic number, because the mean of its divisors is an integer number (31180036579029).

Almost surely, 2^{83146764210742} is an apocalyptic number.

83146764210742 is a deficient number, since it is larger than the sum of its proper divisors (41573382105374).

83146764210742 is a wasteful number, since it uses less digits than its factorization.

83146764210742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41573382105373.

The product of its (nonzero) digits is 10838016, while the sum is 55.

The spelling of 83146764210742 in words is "eighty-three trillion, one hundred forty-six billion, seven hundred sixty-four million, two hundred ten thousand, seven hundred forty-two".