157958422807 has 4 divisors (see below), whose sum is σ = 159018546600. Its totient is φ = 156898299016.

The previous prime is 157958422789. The next prime is 157958422823. The reversal of 157958422807 is 708224859751.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 708224859751 = 64811 ⋅10927541.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-157958422807 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 (157958422207) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 530061673 + ... + 530061970.

It is an arithmetic number, because the mean of its divisors is an integer number (39754636650).

Almost surely, 2^157958422807 is an apocalyptic number.

157958422807 is a deficient number, since it is larger than the sum of its proper divisors (1060123793).

157958422807 is a wasteful number, since it uses less digits than its factorization.

157958422807 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1060123792.

The product of its (nonzero) digits is 11289600, while the sum is 58.

The spelling of 157958422807 in words is "one hundred fifty-seven billion, nine hundred fifty-eight million, four hundred twenty-two thousand, eight hundred seven".