83023029987 has 16 divisors (see below), whose sum is σ = 114749725440. Its totient is φ = 53330350752.

The previous prime is 83023029917. The next prime is 83023029997. The reversal of 83023029987 is 78992032038.

It is a happy number.

It is not a de Polignac number, because 83023029987 - 2¹⁴ = 83023013603 is a prime.

It is not an unprimeable number, because it can be changed into a prime (83023029917) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 937393 + ... + 1022130.

It is an arithmetic number, because the mean of its divisors is an integer number (7171857840).

Almost surely, 2^83023029987 is an apocalyptic number.

83023029987 is a gapful number since it is divisible by the number (87) formed by its first and last digit.

83023029987 is a deficient number, since it is larger than the sum of its proper divisors (31726695453).

83023029987 is a wasteful number, since it uses less digits than its factorization.

83023029987 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1960042.

The product of its (nonzero) digits is 1306368, while the sum is 51.

The spelling of 83023029987 in words is "eighty-three billion, twenty-three million, twenty-nine thousand, nine hundred eighty-seven".