87154879 has 12 divisors (see below), whose sum is σ = 102132144. Its totient is φ = 74153184.

The previous prime is 87154861. The next prime is 87154883. The reversal of 87154879 is 97845178.

It is not a de Polignac number, because 87154879 - 2¹¹ = 87152831 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (49).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87154829) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 222 + ... + 13204.

It is an arithmetic number, because the mean of its divisors is an integer number (8511012).

Almost surely, 2^87154879 is an apocalyptic number.

87154879 is a deficient number, since it is larger than the sum of its proper divisors (14977265).

87154879 is a wasteful number, since it uses less digits than its factorization.

87154879 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13134 (or 13127 counting only the distinct ones).

The product of its digits is 564480, while the sum is 49.

The square root of 87154879 is about 9335.6777472233. The cubic root of 87154879 is about 443.3675473749.

The spelling of 87154879 in words is "eighty-seven million, one hundred fifty-four thousand, eight hundred seventy-nine".