155393093847 has 8 divisors (see below), whose sum is σ = 207193123456. Its totient is φ = 103594230072.

The previous prime is 155393093837. The next prime is 155393093861. The reversal of 155393093847 is 748390393551.

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

It is not a de Polignac number, because 155393093847 - 2⁴ = 155393093831 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (155393093827) 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, 91398 + ... + 564924.

It is an arithmetic number, because the mean of its divisors is an integer number (25899140432).

Almost surely, 2^155393093847 is an apocalyptic number.

155393093847 is a deficient number, since it is larger than the sum of its proper divisors (51800029609).

155393093847 is a wasteful number, since it uses less digits than its factorization.

155393093847 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 582917.

The product of its (nonzero) digits is 12247200, while the sum is 57.

The spelling of 155393093847 in words is "one hundred fifty-five billion, three hundred ninety-three million, ninety-three thousand, eight hundred forty-seven".