78245356882850 has 96 divisors (see below), whose sum is σ = 146560782456000. Its totient is φ = 31078735776000.

The previous prime is 78245356882843. The next prime is 78245356882859. The reversal of 78245356882850 is 5828865354287.

It is a super-2 number, since 2×78245356882850² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (78245356882859) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 7747827101 + ... + 7747837199.

It is an arithmetic number, because the mean of its divisors is an integer number (1526674817250).

Almost surely, 2^{78245356882850} is an apocalyptic number.

78245356882850 is a deficient number, since it is larger than the sum of its proper divisors (68315425573150).

78245356882850 is a wasteful number, since it uses less digits than its factorization.

78245356882850 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12228 (or 12223 counting only the distinct ones).

The product of its (nonzero) digits is 1032192000, while the sum is 71.

The spelling of 78245356882850 in words is "seventy-eight trillion, two hundred forty-five billion, three hundred fifty-six million, eight hundred eighty-two thousand, eight hundred fifty".