157447471886 has 16 divisors (see below), whose sum is σ = 250378546560. Its totient is φ = 74125225440.

The previous prime is 157447471873. The next prime is 157447471891. The reversal of 157447471886 is 688174744751.

It is a happy number.

It is a Smith number, since the sum of its digits (62) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Harshad number since it is a multiple of its sum of digits (62).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34314941 + ... + 34319528.

It is an arithmetic number, because the mean of its divisors is an integer number (15648659160).

Almost surely, 2^157447471886 is an apocalyptic number.

157447471886 is a deficient number, since it is larger than the sum of its proper divisors (92931074674).

157447471886 is a wasteful number, since it uses less digits than its factorization.

157447471886 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68634539.

The product of its digits is 42147840, while the sum is 62.

The spelling of 157447471886 in words is "one hundred fifty-seven billion, four hundred forty-seven million, four hundred seventy-one thousand, eight hundred eighty-six".