78270017233000 has 64 divisors (see below), whose sum is σ = 183153380202000. Its totient is φ = 31307743667200.

The previous prime is 78270017232961. The next prime is 78270017233003. The reversal of 78270017233000 is 33271007287.

It can be written as a sum of positive squares in 8 ways, for example, as 20931228904356 + 57338788328644 = 4575066^2 + 7572238^2 .

It is a super-2 number, since 2×78270017233000² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is not an unprimeable number, because it can be changed into a prime (78270017233003) 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, 155597892 + ... + 156100108.

Almost surely, 2^{78270017233000} is an apocalyptic number.

It is an amenable number.

78270017233000 is an abundant number, since it is smaller than the sum of its proper divisors (104883362969000).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

78270017233000 is a wasteful number, since it uses less digits than its factorization.

78270017233000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 658087 (or 658073 counting only the distinct ones).

The product of its (nonzero) digits is 98784, while the sum is 40.

The spelling of 78270017233000 in words is "seventy-eight trillion, two hundred seventy billion, seventeen million, two hundred thirty-three thousand".