78354595714 has 4 divisors (see below), whose sum is σ = 117531893574. Its totient is φ = 39177297856.

The previous prime is 78354595699. The next prime is 78354595717. The reversal of 78354595714 is 41759545387.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 65825599225 + 12528996489 = 256565^2 + 111933^2 .

It is a super-2 number, since 2×78354595714² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (78354595717) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19588648927 + ... + 19588648930.

Almost surely, 2^78354595714 is an apocalyptic number.

78354595714 is a deficient number, since it is larger than the sum of its proper divisors (39177297860).

78354595714 is a wasteful number, since it uses less digits than its factorization.

78354595714 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39177297859.

The product of its digits is 21168000, while the sum is 58.

The spelling of 78354595714 in words is "seventy-eight billion, three hundred fifty-four million, five hundred ninety-five thousand, seven hundred fourteen".