78073475683012 has 24 divisors (see below), whose sum is σ = 136645447458240. Its totient is φ = 39031919628000.

The previous prime is 78073475683009. The next prime is 78073475683087. The reversal of 78073475683012 is 21038657437087.

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, 1558732233 + ... + 1558782319.

It is an arithmetic number, because the mean of its divisors is an integer number (5693560310760).

Almost surely, 2^{78073475683012} is an apocalyptic number.

It is an amenable number.

78073475683012 is a deficient number, since it is larger than the sum of its proper divisors (58571971775228).

78073475683012 is a wasteful number, since it uses less digits than its factorization.

78073475683012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90411 (or 90409 counting only the distinct ones).

The product of its (nonzero) digits is 47416320, while the sum is 61.

The spelling of 78073475683012 in words is "seventy-eight trillion, seventy-three billion, four hundred seventy-five million, six hundred eighty-three thousand, twelve".