157620046687 has 2 divisors, whose sum is σ = 157620046688. Its totient is φ = 157620046686.

The previous prime is 157620046631. The next prime is 157620046691. The reversal of 157620046687 is 786640026751.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 157620046687 - 2²³ = 157611658079 is a prime.

It is a super-2 number, since 2×157620046687² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (157620041687) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 78810023343 + 78810023344.

It is an arithmetic number, because the mean of its divisors is an integer number (78810023344).

Almost surely, 2^157620046687 is an apocalyptic number.

157620046687 is a deficient number, since it is larger than the sum of its proper divisors (1).

157620046687 is an equidigital number, since it uses as much as digits as its factorization.

157620046687 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3386880, while the sum is 52.

The spelling of 157620046687 in words is "one hundred fifty-seven billion, six hundred twenty million, forty-six thousand, six hundred eighty-seven".