78893230770285 has 64 divisors (see below), whose sum is σ = 133769995064064. Its totient is φ = 39567070310400.

The previous prime is 78893230770259. The next prime is 78893230770293. The reversal of 78893230770285 is 58207703239887.

It is not a de Polignac number, because 78893230770285 - 2¹⁴ = 78893230753901 is a prime.

It is a super-2 number, since 2×78893230770285² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 3824745142 + ... + 3824765768.

It is an arithmetic number, because the mean of its divisors is an integer number (2090156172876).

Almost surely, 2^{78893230770285} is an apocalyptic number.

It is an amenable number.

78893230770285 is a deficient number, since it is larger than the sum of its proper divisors (54876764293779).

78893230770285 is a wasteful number, since it uses less digits than its factorization.

78893230770285 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32894.

The product of its (nonzero) digits is 284497920, while the sum is 69.

The spelling of 78893230770285 in words is "seventy-eight trillion, eight hundred ninety-three billion, two hundred thirty million, seven hundred seventy thousand, two hundred eighty-five".