68868147400 has 48 divisors (see below), whose sum is σ = 172435252500. Its totient is φ = 25428238080.

The previous prime is 68868147373. The next prime is 68868147427. The reversal of 68868147400 is 474186886.

It is an interprime number because it is at equal distance from previous prime (68868147373) and next prime (68868147427).

It can be written as a sum of positive squares in 6 ways, for example, as 20804600644 + 48063546756 = 144238^2 + 219234^2 .

It is a Harshad number since it is a multiple of its sum of digits (52).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13241275 + ... + 13246474.

Almost surely, 2^68868147400 is an apocalyptic number.

It is an amenable number.

68868147400 is an abundant number, since it is smaller than the sum of its proper divisors (103567105100).

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

68868147400 is a wasteful number, since it uses less digits than its factorization.

68868147400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26487778 (or 26487769 counting only the distinct ones).

The product of its (nonzero) digits is 2064384, while the sum is 52.

The spelling of 68868147400 in words is "sixty-eight billion, eight hundred sixty-eight million, one hundred forty-seven thousand, four hundred".