87628362297 has 16 divisors (see below), whose sum is σ = 134825333760. Its totient is φ = 49587199632.

The previous prime is 87628362293. The next prime is 87628362301. The reversal of 87628362297 is 79226382678.

It is an interprime number because it is at equal distance from previous prime (87628362293) and next prime (87628362301).

It is not a de Polignac number, because 87628362297 - 2² = 87628362293 is a prime.

It is a super-2 number, since 2×87628362297² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 87628362297.

It is not an unprimeable number, because it can be changed into a prime (87628362293) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20254047 + ... + 20258372.

It is an arithmetic number, because the mean of its divisors is an integer number (8426583360).

Almost surely, 2^87628362297 is an apocalyptic number.

It is an amenable number.

87628362297 is a deficient number, since it is larger than the sum of its proper divisors (47196971463).

87628362297 is a wasteful number, since it uses less digits than its factorization.

87628362297 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40512532.

The product of its digits is 24385536, while the sum is 60.

The spelling of 87628362297 in words is "eighty-seven billion, six hundred twenty-eight million, three hundred sixty-two thousand, two hundred ninety-seven".