157275780622 has 4 divisors (see below), whose sum is σ = 235913670936. Its totient is φ = 78637890310.

The previous prime is 157275780617. The next prime is 157275780631. The reversal of 157275780622 is 226087572751.

It is a happy number.

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

It is a self number, because there is not a number n which added to its sum of digits gives 157275780622.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39318945154 + ... + 39318945157.

It is an arithmetic number, because the mean of its divisors is an integer number (58978417734).

Almost surely, 2^157275780622 is an apocalyptic number.

157275780622 is a deficient number, since it is larger than the sum of its proper divisors (78637890314).

157275780622 is an equidigital number, since it uses as much as digits as its factorization.

157275780622 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78637890313.

The product of its (nonzero) digits is 3292800, while the sum is 52.

The spelling of 157275780622 in words is "one hundred fifty-seven billion, two hundred seventy-five million, seven hundred eighty thousand, six hundred twenty-two".