99860475351 has 64 divisors (see below), whose sum is σ = 164670105600. Its totient is φ = 52418382336.

The previous prime is 99860475347. The next prime is 99860475361. The reversal of 99860475351 is 15357406899.

99860475351 is a nontrivial binomial coefficient, being equal to C(446902, 2).

It is not a de Polignac number, because 99860475351 - 2² = 99860475347 is a prime.

It is a super-2 number, since 2×99860475351² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 99860475291 and 99860475300.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99860475361) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 61001305 + ... + 61002941.

It is an arithmetic number, because the mean of its divisors is an integer number (2572970400).

Almost surely, 2^99860475351 is an apocalyptic number.

99860475351 is a gapful number since it is divisible by the number (91) formed by its first and last digit.

99860475351 is the 446901-st triangular number and also the 223451-st hexagonal number.

99860475351 is a deficient number, since it is larger than the sum of its proper divisors (64809630249).

99860475351 is a wasteful number, since it uses less digits than its factorization.

99860475351 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2608.

The product of its (nonzero) digits is 8164800, while the sum is 57.

The spelling of 99860475351 in words is "ninety-nine billion, eight hundred sixty million, four hundred seventy-five thousand, three hundred fifty-one".