78412537604361 has 16 divisors (see below), whose sum is σ = 109552171898880. Its totient is φ = 49792983665040.

The previous prime is 78412537604333. The next prime is 78412537604377. The reversal of 78412537604361 is 16340673521487.

It is not a de Polignac number, because 78412537604361 - 2¹⁷ = 78412537473289 is a prime.

It is a super-2 number, since 2×78412537604361² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (78412537604311) 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, 2377417795 + ... + 2377450776.

It is an arithmetic number, because the mean of its divisors is an integer number (6847010743680).

Almost surely, 2^{78412537604361} is an apocalyptic number.

It is an amenable number.

78412537604361 is a deficient number, since it is larger than the sum of its proper divisors (31139634294519).

78412537604361 is a wasteful number, since it uses less digits than its factorization.

78412537604361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4754868836.

The product of its (nonzero) digits is 20321280, while the sum is 57.

The spelling of 78412537604361 in words is "seventy-eight trillion, four hundred twelve billion, five hundred thirty-seven million, six hundred four thousand, three hundred sixty-one".