157655479 has 2 divisors, whose sum is σ = 157655480. Its totient is φ = 157655478.

The previous prime is 157655473. The next prime is 157655507. The reversal of 157655479 is 974556751.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 157655479 - 2³ = 157655471 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (157655471) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 78827739 + 78827740.

It is an arithmetic number, because the mean of its divisors is an integer number (78827740).

Almost surely, 2^157655479 is an apocalyptic number.

157655479 is a deficient number, since it is larger than the sum of its proper divisors (1).

157655479 is an equidigital number, since it uses as much as digits as its factorization.

157655479 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1323000, while the sum is 49.

The square root of 157655479 is about 12556.0933016604. The cubic root of 157655479 is about 540.2187945113.

The spelling of 157655479 in words is "one hundred fifty-seven million, six hundred fifty-five thousand, four hundred seventy-nine".