78148428762373 has 8 divisors (see below), whose sum is σ = 79866624291840. Its totient is φ = 76432544191440.

The previous prime is 78148428762317. The next prime is 78148428762407. The reversal of 78148428762373 is 37326782484187.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-78148428762373 is a prime.

It is a super-2 number, since 2×78148428762373² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78148428762673) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 577671258 + ... + 577806523.

It is an arithmetic number, because the mean of its divisors is an integer number (9983328036480).

Almost surely, 2^{78148428762373} is an apocalyptic number.

It is an amenable number.

78148428762373 is a deficient number, since it is larger than the sum of its proper divisors (1718195529467).

78148428762373 is a wasteful number, since it uses less digits than its factorization.

78148428762373 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1155479267.

The product of its digits is 606928896, while the sum is 70.

The spelling of 78148428762373 in words is "seventy-eight trillion, one hundred forty-eight billion, four hundred twenty-eight million, seven hundred sixty-two thousand, three hundred seventy-three".