98437087787 has 4 divisors (see below), whose sum is σ = 98634357000. Its totient is φ = 98239818576.

The previous prime is 98437087769. The next prime is 98437087789. The reversal of 98437087787 is 78778073489.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 98437087787 - 2⁸ = 98437087531 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (98437087789) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 98633858 + ... + 98634855.

It is an arithmetic number, because the mean of its divisors is an integer number (24658589250).

Almost surely, 2^98437087787 is an apocalyptic number.

98437087787 is a deficient number, since it is larger than the sum of its proper divisors (197269213).

98437087787 is a wasteful number, since it uses less digits than its factorization.

98437087787 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 197269212.

The product of its (nonzero) digits is 132765696, while the sum is 68.

The spelling of 98437087787 in words is "ninety-eight billion, four hundred thirty-seven million, eighty-seven thousand, seven hundred eighty-seven".