87904354705 has 8 divisors (see below), whose sum is σ = 109122647400. Its totient is φ = 67898535936.

The previous prime is 87904354687. The next prime is 87904354723. The reversal of 87904354705 is 50745340978.

It is an interprime number because it is at equal distance from previous prime (87904354687) and next prime (87904354723).

It can be written as a sum of positive squares in 4 ways, for example, as 569920129 + 87334434576 = 23873^2 + 295524^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 87904354705 - 2⁵ = 87904354673 is a prime.

It is a super-2 number, since 2×87904354705² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 303118320 + ... + 303118609.

It is an arithmetic number, because the mean of its divisors is an integer number (13640330925).

Almost surely, 2^87904354705 is an apocalyptic number.

It is an amenable number.

87904354705 is a deficient number, since it is larger than the sum of its proper divisors (21218292695).

87904354705 is a wasteful number, since it uses less digits than its factorization.

87904354705 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 606236963.

The product of its (nonzero) digits is 4233600, while the sum is 52.

The spelling of 87904354705 in words is "eighty-seven billion, nine hundred four million, three hundred fifty-four thousand, seven hundred five".