147078577834 has 4 divisors (see below), whose sum is σ = 220617866754. Its totient is φ = 73539288916.

The previous prime is 147078577823. The next prime is 147078577853. The reversal of 147078577834 is 438775870741.

It is a happy number.

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., 117441233809 + 29637344025 = 342697^2 + 172155^2 .

It is a super-2 number, since 2×147078577834² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36769644457 + ... + 36769644460.

Almost surely, 2^147078577834 is an apocalyptic number.

147078577834 is a deficient number, since it is larger than the sum of its proper divisors (73539288920).

147078577834 is an equidigital number, since it uses as much as digits as its factorization.

147078577834 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73539288919.

The product of its (nonzero) digits is 36879360, while the sum is 61.

The spelling of 147078577834 in words is "one hundred forty-seven billion, seventy-eight million, five hundred seventy-seven thousand, eight hundred thirty-four".