87102798739 has 8 divisors (see below), whose sum is σ = 97042963968. Its totient is φ = 77499588360.

The previous prime is 87102798737. The next prime is 87102798763. The reversal of 87102798739 is 93789720178.

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 87102798739 - 2¹ = 87102798737 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (87102798737) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 84238167 + ... + 84239200.

It is an arithmetic number, because the mean of its divisors is an integer number (12130370496).

Almost surely, 2^87102798739 is an apocalyptic number.

87102798739 is a deficient number, since it is larger than the sum of its proper divisors (9940165229).

87102798739 is a wasteful number, since it uses less digits than its factorization.

87102798739 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 168477425.

The product of its (nonzero) digits is 10668672, while the sum is 61.

The spelling of 87102798739 in words is "eighty-seven billion, one hundred two million, seven hundred ninety-eight thousand, seven hundred thirty-nine".