98765951 has 4 divisors (see below), whose sum is σ = 98875752. Its totient is φ = 98656152.

The previous prime is 98765923. The next prime is 98765957. The reversal of 98765951 is 15956789.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 15956789 = 19 ⋅839831.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-98765951 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 98765951.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (98765957) 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, 53540 + ... + 55353.

It is an arithmetic number, because the mean of its divisors is an integer number (24718938).

Almost surely, 2^98765951 is an apocalyptic number.

98765951 is a deficient number, since it is larger than the sum of its proper divisors (109801).

98765951 is a wasteful number, since it uses less digits than its factorization.

98765951 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109800.

The product of its digits is 680400, while the sum is 50.

The square root of 98765951 is about 9938.1060066795. The cubic root of 98765951 is about 462.2416590842.

The spelling of 98765951 in words is "ninety-eight million, seven hundred sixty-five thousand, nine hundred fifty-one".