98787810 has 32 divisors (see below), whose sum is σ = 258645312. Its totient is φ = 23948480.

The previous prime is 98787803. The next prime is 98787847. The reversal of 98787810 is 1878789.

It is a super-2 number, since 2×98787810² = 19518062809192200, which contains 22 as substring.

It is an alternating number because its digits alternate between odd and even.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 98787810.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 149349 + ... + 150008.

It is an arithmetic number, because the mean of its divisors is an integer number (8082666).

Almost surely, 2^98787810 is an apocalyptic number.

98787810 is an abundant number, since it is smaller than the sum of its proper divisors (159857502).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

98787810 is a wasteful number, since it uses less digits than its factorization.

98787810 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 299378.

The product of its (nonzero) digits is 225792, while the sum is 48.

The square root of 98787810 is about 9939.2057026706. The cubic root of 98787810 is about 462.2757578635.

The spelling of 98787810 in words is "ninety-eight million, seven hundred eighty-seven thousand, eight hundred ten".