62868991 has 2 divisors, whose sum is σ = 62868992. Its totient is φ = 62868990.

The previous prime is 62868989. The next prime is 62868997. The reversal of 62868991 is 19986826.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 62868991 - 2¹ = 62868989 is a prime.

Together with 62868989, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (62868997) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31434495 + 31434496.

It is an arithmetic number, because the mean of its divisors is an integer number (31434496).

Almost surely, 2^62868991 is an apocalyptic number.

62868991 is a deficient number, since it is larger than the sum of its proper divisors (1).

62868991 is an equidigital number, since it uses as much as digits as its factorization.

62868991 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 373248, while the sum is 49.

The square root of 62868991 is about 7928.9968470167. The cubic root of 62868991 is about 397.6297133465.

The spelling of 62868991 in words is "sixty-two million, eight hundred sixty-eight thousand, nine hundred ninety-one".