78504412062616 has 32 divisors (see below), whose sum is σ = 147522406062240. Its totient is φ = 39165109072128.

The previous prime is 78504412062581. The next prime is 78504412062631. The reversal of 78504412062616 is 61626021440587.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 124915525 + ... + 125542411.

It is an arithmetic number, because the mean of its divisors is an integer number (4610075189445).

Almost surely, 2^{78504412062616} is an apocalyptic number.

It is an amenable number.

78504412062616 is a deficient number, since it is larger than the sum of its proper divisors (69017993999624).

78504412062616 is a wasteful number, since it uses less digits than its factorization.

78504412062616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 661603 (or 661599 counting only the distinct ones).

The product of its (nonzero) digits is 3870720, while the sum is 52.

The spelling of 78504412062616 in words is "seventy-eight trillion, five hundred four billion, four hundred twelve million, sixty-two thousand, six hundred sixteen".