87157703 has 2 divisors, whose sum is σ = 87157704. Its totient is φ = 87157702.

The previous prime is 87157663. The next prime is 87157711. The reversal of 87157703 is 30775178.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 87157703 - 2⁶ = 87157639 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (87157723) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43578851 + 43578852.

It is an arithmetic number, because the mean of its divisors is an integer number (43578852).

Almost surely, 2^87157703 is an apocalyptic number.

87157703 is a deficient number, since it is larger than the sum of its proper divisors (1).

87157703 is an equidigital number, since it uses as much as digits as its factorization.

87157703 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 41160, while the sum is 38.

The square root of 87157703 is about 9335.8289937209. The cubic root of 87157703 is about 443.3723360011.

The spelling of 87157703 in words is "eighty-seven million, one hundred fifty-seven thousand, seven hundred three".