98620687 has 6 divisors (see below), whose sum is σ = 108401384. Its totient is φ = 89655060.

The previous prime is 98620679. The next prime is 98620699. The reversal of 98620687 is 78602689.

It is not a de Polignac number, because 98620687 - 2³ = 98620679 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (98620657) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 407403 + ... + 407644.

Almost surely, 2^98620687 is an apocalyptic number.

98620687 is a deficient number, since it is larger than the sum of its proper divisors (9780697).

98620687 is a wasteful number, since it uses less digits than its factorization.

98620687 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 815069 (or 815058 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 46.

The square root of 98620687 is about 9930.7948825862. The cubic root of 98620687 is about 462.0149277112.

The spelling of 98620687 in words is "ninety-eight million, six hundred twenty thousand, six hundred eighty-seven".