78145601000654 has 32 divisors (see below), whose sum is σ = 135398353359456. Its totient is φ = 33430854123520.

The previous prime is 78145601000653. The next prime is 78145601000707. The reversal of 78145601000654 is 45600010654187.

It is a super-2 number, since 2×78145601000654² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 78145601000599 and 78145601000608.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78145601000653) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29539214 + ... + 32075790.

It is an arithmetic number, because the mean of its divisors is an integer number (4231198542483).

Almost surely, 2^{78145601000654} is an apocalyptic number.

78145601000654 is a deficient number, since it is larger than the sum of its proper divisors (57252752358802).

78145601000654 is a wasteful number, since it uses less digits than its factorization.

78145601000654 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2618980.

The product of its (nonzero) digits is 806400, while the sum is 47.

The spelling of 78145601000654 in words is "seventy-eight trillion, one hundred forty-five billion, six hundred one million, six hundred fifty-four", and thus it is an aban number.