78501743246434 has 32 divisors (see below), whose sum is σ = 120119180480640. Its totient is φ = 38466221670912.

The previous prime is 78501743246413. The next prime is 78501743246453. The reversal of 78501743246434 is 43464234710587.

It is a happy number.

It is a super-3 number, since 3×78501743246434³ (a number of 43 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

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, 106277874 + ... + 107013970.

It is an arithmetic number, because the mean of its divisors is an integer number (3753724390020).

Almost surely, 2^{78501743246434} is an apocalyptic number.

78501743246434 is a deficient number, since it is larger than the sum of its proper divisors (41617437234206).

78501743246434 is a wasteful number, since it uses less digits than its factorization.

78501743246434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 738954.

The product of its (nonzero) digits is 54190080, while the sum is 58.

The spelling of 78501743246434 in words is "seventy-eight trillion, five hundred one billion, seven hundred forty-three million, two hundred forty-six thousand, four hundred thirty-four".