78280075361051 has 8 divisors (see below), whose sum is σ = 81683955896064. Its totient is φ = 74876228075880.

The previous prime is 78280075361041. The next prime is 78280075361063. The reversal of 78280075361051 is 15016357008287.

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

It is a cyclic number.

It is not a de Polignac number, because 78280075361051 - 2⁶ = 78280075360987 is a prime.

It is a super-2 number, since 2×78280075361051² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 78280075360984 and 78280075361002.

It is not an unprimeable number, because it can be changed into a prime (78280075361041) 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, 3440735 + ... + 12976856.

It is an arithmetic number, because the mean of its divisors is an integer number (10210494487008).

Almost surely, 2^{78280075361051} is an apocalyptic number.

78280075361051 is a deficient number, since it is larger than the sum of its proper divisors (3403880535013).

78280075361051 is a wasteful number, since it uses less digits than its factorization.

78280075361051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16624921.

The product of its (nonzero) digits is 2822400, while the sum is 53.

The spelling of 78280075361051 in words is "seventy-eight trillion, two hundred eighty billion, seventy-five million, three hundred sixty-one thousand, fifty-one".