98990767 has 2 divisors, whose sum is σ = 98990768. Its totient is φ = 98990766.

The previous prime is 98990761. The next prime is 98990777. The reversal of 98990767 is 76709989.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-98990767 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (98990761) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49495383 + 49495384.

It is an arithmetic number, because the mean of its divisors is an integer number (49495384).

Almost surely, 2^98990767 is an apocalyptic number.

98990767 is a deficient number, since it is larger than the sum of its proper divisors (1).

98990767 is an equidigital number, since it uses as much as digits as its factorization.

98990767 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1714608, while the sum is 55.

The square root of 98990767 is about 9949.4103845404. The cubic root of 98990767 is about 462.5921191721.

The spelling of 98990767 in words is "ninety-eight million, nine hundred ninety thousand, seven hundred sixty-seven".