77243146164046 has 32 divisors (see below), whose sum is σ = 122748509334528. Its totient is φ = 36329508382080.

The previous prime is 77243146164031. The next prime is 77243146164103. The reversal of 77243146164046 is 64046164134277.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 480697111 + ... + 480857773.

It is an arithmetic number, because the mean of its divisors is an integer number (3835890916704).

Almost surely, 2^{77243146164046} is an apocalyptic number.

77243146164046 is a deficient number, since it is larger than the sum of its proper divisors (45505363170482).

77243146164046 is a wasteful number, since it uses less digits than its factorization.

77243146164046 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 168456.

The product of its (nonzero) digits is 16257024, while the sum is 55.

The spelling of 77243146164046 in words is "seventy-seven trillion, two hundred forty-three billion, one hundred forty-six million, one hundred sixty-four thousand, forty-six".